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Y_Kistochka [10]
2 years ago
11

If f(x) = 3x^2 - x, find f(-2).

Mathematics
2 answers:
lana66690 [7]2 years ago
7 0

Answer:

14

Step-by-step explanation:

f(x) =3x^2-x

here,

f(-2)= 3(-2)^2 -(-2)

=3*4+2

=12+2

=14 Answer.

saw5 [17]2 years ago
4 0

Answer:

14

Step-by-step explanation:

to find f(value), we plug that x value into the equation

so, if..

f(x)= 3x² -x

f(-2)= 3 · (-2)² - (-2)

f (-2) = 3 · 4 + 2

f (-2) = 12 + 2

f (-2)  = 14

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