SOLUTION: Can someone please help me? Let f(x)=x^2-19 and g(x) = 2-x Find (f-g)(0) Thank you!

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Question 961292: Can someone please help me?
Let f(x)=x^2-19 and g(x) = 2-x
Find (f-g)(0)
Thank you!
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
One function minus the other function and then evaluated at x=0.

%28f-g%29%28x%29=x%5E2-19-%282-x%29=x%5E2%2Bx-17

%28f-g%29%280%29=0%5E2%2B0-17=0%2B0-17=highlight%28-17%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Can someone please help me?
Let f(x)=x^2-19 and g(x) = 2-x
Find (f-g)(0)
Thank you!
(f-g)(0) means: f(0) - g(0), which is: highlight_green%28-+21%29