Answer:
322
Step-by-step explanation:
Triangle area = base*height)2Here, area = 23*28/2=322
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:
Step-by-step explanation:
85-x=100
85 represents sarah's hw
x represent Emily's hw
100 represents total completion