Amer had $13.00 in his pocket last Friday. Over the weekend, he worked for h hours for $8.00 an hour. At the end of the weekend, he had $61.00. Find the number of hours, h, that Amer worked.

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

add 5 subtract 1

step-by-step explanation:

72 is the answer to this problem

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50