Answer:
f(- 7) = - 57
Explanation:
to evaluate f(- 7) , substitute x = - 7 into f(x)
f(- 7)
= - 2(- 7)² - 4(- 7) + 13
= - 2(49) + 28 + 13
= - - 98 + 41
= - 57
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