I am to believe that his score was 70.
since mike scored 15 less than 85 i had suspected it was 70
The value of f(5) is -37
<em><u>Solution:</u></em>
<em><u>Given function is:</u></em>

We have to find the value of f(5)
To find the value of f(5), we have to substitute x is equal to 5 in given function
Plug in x = 5 in f(x)

Thus value of f(5) is -37
Answer:
x = 7
Step-by-step explanation:
