87.3k views
5 votes
Evaluate f(x)=-x^2-4 for x=-3

2 Answers

6 votes
Attached is my work shown for visual purposes and my explanations.

I hope this helps! :)
Evaluate f(x)=-x^2-4 for x=-3-example-1
User Victor Turrisi
by
6.9k points
5 votes
f(x) = x² - 4

First, substitute the value of x:
f(x) = (-3)² - 4

Then, simplify:
f(x) = 5
User Roimer
by
6.8k points