sethdabeast15 sethdabeast15

01-02-2016
Mathematics

contestada

If f(x) = -7x + 5x2 + 10, what does f(-2) equal?

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taskmasters taskmasters

01-02-2016

f(x) = -7x + 5x² + 10

x = -2

substitute the x by its value

f(-2) = -7(-2) + 5(-2)² + 10
f(-2) = 14 + 5(4) + 10
f(-2) = 14 + 20 + 10
f(-2) = 44

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Jbare1111 Jbare1111

21-05-2021

Answer:

3

Step-by-step explanation:

its an old question

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