Question

The number of years a truck is owned, x, and the cost of annual repairs in dollars, f(x) , can be modeled by a linear function. f(x)=−110.2x+740.8 After how many years would the cost of repairs be $300?
a.3
b.4
c.5
d.6

Answer 1

Substitute 300 for f(x) and then solve for x.

Answer 2

Answer:

The answer is B

Step-by-step explanation:

300=−110.2x+740.8

x=4