<img src="https://tex.z-dn.net/?f=f%28x%29%3D%202x%5E%7B2%7D-5x%2B4" id="TexFormula1" title="f(x)= 2x^{2}-5x+4" alt="f(x)= 2x^{2

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3 years ago

}-5x+4" align="absmiddle" class="latex-formula"> find f(-4) how do i do that?

1 answer:

5 0

Answer is 16.
All you have to do is plug in 4 wherever there is an x.
Explanation: 2x^2 - 5x + 4 ——> 2(4)^2 - 5(4) + 4 ——> 2(16) - 20 + 4= 16

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