Answered

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

Sagot :

Stephen46

Answer:

[tex] \huge{f( - 2) = 23}[/tex]

Step-by-step explanation:

To find f(-2) substitute the value of x that's -2 into f(x) and solve

We have

[tex]f( - 2) = ({ - 2})^{4} + 2 ({ - 2})^{2} - 1 \\ = 16 + 2(4) - 1 \\ = 15 + 8 \\ = 23 \: \: \: \: \: \: \: [/tex]

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