ava485489 ava485489

23-08-2019
Mathematics

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What is f(-1)=x^2-8x-12

What is f1x28x12 class=

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jimrgrant1 jimrgrant1

23-08-2019

Answer:

- 3

Step-by-step explanation:

Assuming f(x) = x² - 8x - 12

To evaluate f(- 1) substitute x = - 1 into f(x)

f(- 1) = (- 1)² - 8(- 1) - 12 = 1 + 8 - 12 = 9 - 12 = - 3

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