Evaluate the function.
f(x) = -x2 + 6x + 4
Find f(-7)

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CoastsideDad CoastsideDad · Answer 1 · 2021-06-21T20:25:55+02:00

Answer:

-87

Step-by-step explanation:

-(-7^2) + 6(-7) + 4

-49 -42 + 4

-87

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altavistard altavistard · Answer 2 · 2021-06-21T20:31:34+02:00

Answer:

f(-7) = -3

Step-by-step explanation:

The exponentiation x^2 must be done before multiplication by the coefficient -1.

Substituting -7 for x, we get:

-(-7)^2 + 6(-7) + 4 = f(-7)

Then f(-7) = -49 + 42 + 4, or

f(-7) = -3

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