SOLUTION: How do I evaluate the function g g(r)=r^2-4 a. g(5)= b. g(-4)= c. g(0)=

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Question 1186772: How do I evaluate the function g
g(r)=r^2-4
a. g(5)=
b. g(-4)=
c. g(0)=

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

g%28r%29=r%5E2-4
a. g%285%29=
here you are given that r=5, substitute it in given function
g%285%29=5%5E2-4=25-4=21

b. g%28-4%29=
r=-4
g%28-4%29=%28-4%29%5E2-4=16-4=12
c. g%280%29=
r=0
g%280%29=0%5E2-4=-4