Write a cost function for the problem. Assume that the relationship is linear.
-A moving firm charges a flat fee of $\$ 30$ plus $\$ 25$ per hour. Let $C(x)$ be the cost in dollars of using the moving firm for $x$ hours.
A)C $(\mathrm{x})=30 \mathrm{x}-25$
B) $C(x)=25 x-30$
C) $C(x)=25 x+30$
D) $C(x)=30 x+25$

Question

Quizplus · Accepted Answer

The cost function is linear, with a flat fee of $30 and an additional $25 charged per hour. Therefore, the cost function is $C(x) = 25x + 30$.

Write a Cost Function for the Problem $30\$ 30$30 Plus $25\$ 25$25

Write a Cost Function for the Problem $\$ 30$ Plus $\$ 25$