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1 vote
F(x) = —x2 + 6x + 4
Find f(-7)

User Richliaw
by
4.9k points

2 Answers

1 vote

Answer:

-87

Explanation:

f(x) = —x^2 + 6x + 4

Let x = -7

f(-7) = —(-7)^2 + 6(-7) + 4

Exponents first

= -49 + 6(-7) + 4

Multiply

= -49-42+4

Add

= -87

User MajorTom
by
5.0k points
2 votes

-87

Answer:

Solution given:

f(x) = —x2 + 6x + 4

Substituting value of x and solve

f(-7)=-(-7)²+6*-7+4=-49-42+4=-87

User LuiCami
by
4.8k points