Question

Given f (x) = -3x² - 6x +9, find f (-7)

Answer 1

• f(-7) = - 96

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Given function:

• f(x) = -3x² - 6x +9

Find f(-7) by plugging in the value of x:

• f(-7) = - 3(-7)² - 6(-7) +9
• f(-7) = - 3(49) + 42 +9
• f(-7) = - 147 + 51
• f(-7) = - 96