Question

What is the value of f(x)=1/2x+5 when x=4?

Answer 1

f=7/4

Explanation:

substitute x for 4 and do the equation you will get the equation f(4)=1/2(4)+5 simplify to the equation to 4f=2+5. Then do the addition and get 4f=7. Divide both sides by 4 and get f=7/4