s167451 s167451

10-12-2020
Mathematics

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[tex]f(x)= 2x^{2}-5x+4[/tex] find f(-4) how do i do that?

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sharkfamilyaz sharkfamilyaz

10-12-2020

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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