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caligirl555

  • 3 years ago

If f(x) = 2x2 − 10, find f(5). 90 10 7.5 40

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  1. geerky42
    • 3 years ago
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    f(x) = f(5) so x = 5. Plug 5 in x and solve.

  2. zaynahf
    • 3 years ago
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    You need to plug in the 5 for all the x terms in the equation If you plug it in, you get f(5)= 2(5)^2 -10 10^2 100-10 = 90 f(5)=90

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