Question

A recording studio charges musicians an initial fee of $60 to record an album. Studio time costs an additional $75 per hour. Which function represents the total cost in dollars, C(t), of recording an album as a function of studio time in t hours?

A) C(t) = 60t - 75

B) C(t) = 75t - 60

C) C(t) = 60t + 75

D) C(t) = 75t + 60

Answer 1

D

Explanation:

slope= 75

y-intercept= 50

substitute 75 for m in mx+b and 50 for y in mx+b

C(t) = 75t + 60

Answer 2

it is D

Explanation:

becuase the 75 dollars is PER hour... that gives a clue of multiplication ..... and the 60 dollars is a fee so you just add it