SOLUTION: given f(x)=x^2-3x-7, find f(5)

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Question 107817: given f(x)=x^2-3x-7, find f(5)
Found 3 solutions by checkley71, MathLover1, josmiceli:
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
F(X)=X^2-3X-7 SUBSTITUTING 5 FOR X WE GET;
F(5)=5^2-3*5-7
F(5)=25-15-7
F(5)=3 ANSWER.

Answer by MathLover1(3376) About Me  (Show Source):
You can put this solution on YOUR website!

given f%28x%29=x%5E2-3x-7, find f(5)
f%285%29=5%5E2-3%2A5-7
f%285%29+=+25+-+15+-+7
f%285%29+=+25+-+22
f%285%29+=+3

Answer by josmiceli(6796) About Me  (Show Source):