Find f(-2) if f(x) =x^4 +2x^2-1

2 answers:

8 0

Answer:

f(x)= -2^4=2*(-2)^2-1

=23

Step-by-step explanation:

Ierofanga [76]2 years ago

4 0

Answer:

Plug -2 in for x of f(x)

--> -2^4 + 2(-2)^2 - 1

---> 23

f(-2) = 23

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