2 answers:
Answer:
-87
Step-by-step explanation:
-(-7^2) + 6(-7) + 4
-49 -42 + 4
-87
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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