1

Set 3: Linear Functions (Advanced)

Explanation

Answer: A

PROBLEM

A rental car costs R(d) = 40 + 0.25d for d miles. Cost for 200 miles?

A rental car costs R(d) = 40 + 0.25d for d miles. Cost for 200 miles?

A.

90

✓ Correct
B.

60

C.

100

D.

80

Detailed Explanation

Choice A is the best answer. R(200) = 40 + 50 = 90

Why others are wrong:
B: 60 is incorrect because it does not satisfy the equation.
C: 100 is incorrect because it does not satisfy the equation.
D: 80 is incorrect because it does not satisfy the equation.