answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
sergey
3 days ago
13

The price of fuel may increase due to demand and decrease due to overproduction. Marco is studying the change in the price of tw

o types of fuel, A and B, over time.
The price f(x), in dollars, of fuel A after x months is represented by the function below:

f(x) = 2.15(0.98)x

Part A: Is the price of fuel A increasing or decreasing and by what percentage per month? Justify your answer. (5 points)

Part B: The table below shows the price g(m), in dollars, of fuel B after m months.

m (number of months) 1 2 3 4
g(m) (price in dollars) 4.19 3.98 3.78 3.59
Which type of fuel recorded a greater percentage change in price over the previous month? Justify your answer. (5 points)

(10 points)
Mathematics
1 answer:
zzz [9K]3 days ago
6 0
Part A: The price of fuel A declines at a rate of 2% monthly. Part B: Fuel B experienced a larger price change percentage from the previous month at 5% compared to fuel A's 2%. For Part A, we need to determine if the price of fuel A is rising or falling and by what percentage monthly. We note that the exponential function's equation indicates a decrease since the rate of change is negative, indicating it follows an exponential decay model. Therefore, the price of fuel A is indeed decreasing by 2% each month. In Part B, analyzing the data shows that fuel B's price changes more significantly than that of fuel A.
You might be interested in
You just received an insurance settlement offer related to an accident you had six years ago. The offer gives you a choice of on
AnnZ [9056]

answer:

Detailed explanation:

Option A: $1,565 monthly over 72 months

The total comes to $112,680

Option B: $1,012 each month for 10 years,

which is the same as 120 months

Thus, the total amount received is 1012×120

equaling $121,440.

Option C:

Receive $100,000 in a single payment.

All the details presented are accurate.

However,

As the individual has no preference whether to take the money personally or let it go to an heir, we can disregard the lump sum payment option of $100,000.

Furthermore, as they are willing to wait and are indifferent about who benefits from the insurance payout, the 72-month option can also be overlooked.

Therefore, choosing the second option is advisable since it provides the highest total and the most payments over time.

Waiting for ten years will yield $121,440.

4 0
29 days ago
Nina can ride her bike 63,360 feet in 3,400 seconds, and sophia can ride her bike 10 miles in 1 hour. What is nina’s rate in mil
tester [8808]

Answer:

Nina's speed in MPH:  12.706 miles per hour

Nina is quicker than Sophia.

Step-by-step explanation:

To solve this problem, we will convert feet per second to miles per hour and subsequently compare Nina's speed to that of Sophia's.

Nina rides at 63360 feet in 3400 seconds. To perform this conversion, we know that there are 5280 feet in a mile and 3600 seconds in an hour. Applying these conversions, we can calculate the speed in miles per hour.

(63360 feet / 3400 seconds) * (1 mile / 5280 feet) * (3600 seconds / 1 hour) = 12.706 miles per hour.

Thus, it follows that Nina rides her bike at a rate of 12.706 miles per hour, whereas Sophia rides her bicycle at a rate of 10 miles per hour.

This indicates that Nina rides faster than Sophia by 2.706 miles per hour (12.706 - 10).

Cheers.

4 0
13 days ago
ΔMNO was dilated, then _____________, to create ΔYHQ.
babunello [8385]
The answer is rotated. When dilating figures, we either increase or decrease their dimensions. Knowing the scale factor is crucial as it indicates whether the figure enlarges or reduces; a positive scale factor suggests expansion, while a negative one indicates reduction. The center of dilation is where lines connecting the original and dilated shapes intersect. Conversely, to rotate a shape involves turning it around a designated fixed point known as the center of rotation.
8 0
3 days ago
Read 2 more answers
Yolanda wanted to see if there was a connection between red hair and green eyes. She observed people walking past her on the str
Svet_ta [9481]
The computed value is x=14%. I just completed the quiz.
4 0
1 day ago
Read 2 more answers
Suppose you have two urns with poker chips in them. Urn I contains two red chips and four white chips. Urn II contains three red
Zina [9154]
There are several possible outcomes. The initial composition of the urns is as follows: Urn 1 contains 2 red chips and 4 white chips, totaling 6 chips, whereas Urn 2 has 3 red and 1 white, amounting to 4 chips. When a chip is drawn from the first urn, the probabilities are as follows: for a red chip, it is probability is (2 red from 6 chips = 2/6 = 1/2); for a white chip, it is (4 white from 6 chips = 4/6 = 2/3). After the chip is transferred to the second urn, two scenarios can arise: if the chip drawn from the first urn is white, then Urn 2 will contain 3 red and 2 white chips, making a total of 5 chips, creating a 40% chance for drawing a white chip. Conversely, if a red chip is drawn first, Urn 2 will contain 4 red and 1 white chip, which results in a 20% chance of drawing a white chip. This scenario exemplifies a dependent event, as the outcome hinges on the type of chip drawn first from Urn 1. For the first scenario, the combined probability is (the probability of drawing a white chip from Urn 1) multiplied by (the probability of drawing a white chip from Urn 2), equaling 26.66%. For the second scenario, the probabilities yield a value of 6%.
8 0
12 days ago
Other questions:
  • Three friends went running. The table below shows their last 3 lap times.
    6·1 answer
  • A local supermarket organised two weeks of promotions to boost sales. The average dailly salles before the carmpaign is $10 000,
    11·1 answer
  • Draw a diagram in which segment AB intersects segment CD equals segment CB
    9·2 answers
  • Consider the two triangles. Triangles A B C and H G I are shown. Angles A C B and H I G are right angles. The length of side A C
    10·2 answers
  • An electrolyte solution has an average current density of 111 ampere per square decimeter \left( \dfrac{\text{A}}{\text{dm}^2}\r
    6·2 answers
  • Helena needs 3.5 cups of flour per loaf of bread and 2.5 cups of flour per batch of muffins. She also needs 0.75 cup of sugar pe
    8·2 answers
  • The amount of tax for each camera is $5.25 and the tax rate is 6%. Explain how the equation: (Original Cost)(Percent) = Tax Amou
    7·2 answers
  • Draw the graphs of the functions y=1.2x+.9 and y=−1.3x+4.4. Using the graph, locate the points of intersection of the two graphs
    15·1 answer
  • A car traveled 23 miles in 15 minutes. how many miles per hour was it traveling?
    8·2 answers
  • The question is 56 : 28 as 122 : ?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!