2 years ago

Given f(x) = x² + 4x - 3, find f(-3) O -3 O -6 O 0 O 18

Mathematics

1 answer:

Nitella [24]2 years ago

3 0

Answer:

f(-3) = -6

Step-by-step explanation:

f(x) = x^2 + 4x - 3

f(-3) means to put -3 in place of x and then do the calculation.

f(-3)

= (-3)^2 + 4(-3) - 3

= 9 - 12 - 3

= -3 - 3

= -6

First square -3, its 9. Then multiply -3 and 4, that's -12. Then add everything.

f(-3) = -6

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