Answer:
plug the 5 into the function
f(5)=(5)^2-5
f(5)= 25-5
f(5)=20
Step-by-step explanation:
f(5) = 20
so, we're going to plug in 5 as our x value, and the equation becomes:
f(5) = [tex](5)^{2}[/tex] - (5)
now we'll simplify
f(5) = 25 - 5
now solve...
