Mathematics, 20.10.2021 02:00 clara384

Joan uses the function C(x) = 0.11x + 12 to calculate her monthly cost for electricity. • C(x) is the total cost (in dollars).
• x is the amount of electricity used (in kilowatt-hours).

Which of these statements are true? Select the three that apply.
A. Joan's fixed monthly cost for electricity use is $0.11.

B. The cost of electricity use increases $0.11 each month.

C. If Joan uses no electricity, her total cost for the month is $12.

D. Joan pays $12 for every kilowatt-hour of electricity that she uses.
E. The initial value represents the maximum cost per month for electricity.

F. A graph of the total cost for x 20 kilowatt-hours of energy used is a straight line.

G. The slope of the function C(x) represents the increase in cost for each kilowatt-hour used.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Answers: 1

Answer

Mathematics, 21.06.2019 16:50

What are the steps to solving the inequality 3b + 8 ≥ 14?

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Answers: 2

Answer

Mathematics, 21.06.2019 22:20

Question 9 of 10 2 points suppose your sat score is 1770. you look up the average sat scores for students admitted to your preferred colleges and find the list of scores below. based on your sat score of 1770, which average score below represents the college that would be your best option? o a. 1790 o b. 2130 o c. 2210 od. 1350

Answers: 3

Answer

You know the right answer?

Joan uses the function C(x) = 0.11x + 12 to calculate her monthly cost for electricity. • C(x) is...

Questions