10 of 12 (10 complete) This Test: 12 pts possible This Question: 1 pt The cost C

Question

10 of 12 (10 complete) This Test: 12 pts possible This Question: 1 pt The cost C, in dollars, of renting a moving truck tor a day is given by the function C x)020x+45, where x is the number of miles driven. (a) What is the cost a person drives x-160 mies? (b) It the cost of renting the moving truck is $120, how many miles did the person drive? (c) Suppose that a person wants (d) What is the implied domain ot C? number of miles the person can drive (a) The cost is s205 (Type an integer or a decimal.) (tb) The person drove 375 mes (Type an integer or a decimal) (c) The person can drive/530] mies marmum. Type an integer or a decimal) (d) The mohied domain of Ciso. Type your answer m interval notation) Enter your answer in each of the answèr boxes h04 PM

Explanation / Answer

C(x) = .20x + 45

a) x = 160

C(x) = .20(160) + 45

C(x) = $ 77

b) 120 = 0.20x + 45

x = 375 miles

c)    0.20x + 45 <= 150

x <= 525 miles

d) implied domain of c is [ 0 , 150 ]

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