nickrg06 nickrg06

10-10-2021
Mathematics

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If p(x)=2x2-1, find p(-3)

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djtwinx017 djtwinx017

10-10-2021

Given the function, p(x) = 2x^2 - 1, to evaluate p(-3), you could simply substitute -3 as the input of the function.

p(-3) = 2(-3)^2 - 1

p(-3) = 2(9) - 1

p(-3) = 18 - 1

p(-3) = 17

Therefore, p(-3) = 17.

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