Let f(x) = x2- 3x - 7. Find f(-3)

1 answer:

Alexxx [7]2 years ago

6 0

F(x) = x^2 - 3x - 7
f(-3) = (-3)^ 2 - 3(-3) - 7
f(-3) = 9 + 9 - 7
f(-3) = 18 - 7
f(-3) = 11

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dmitriy555 [2]

Answer: = $2^{2}$

Step-by-step explanation:

First, Combine Like Terms:

= 3x^2 + −5x^2 + 4x^2

=(3x^2+ −5x^2 + 4x^2)

=2x^2

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