Asked by Tanya

Given f(x)= 2x^2 – 1 and g(x) = –2x + 1, find the following.
f(3) − g(3)
Answered by Reiny
f(3) - g(3)
= 2(3^2) - 1 - (-2(3) + 1)
= 18-1 - (-5)
= 23
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