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blsea [12.9K]
3 years ago
15

F(x)=-4x^2+9 Find f(−3)

Mathematics
1 answer:
pochemuha3 years ago
8 0

Answer:

f (-3) = 45

Step-by-step explanation:

f (x) =

4x {}^{2}  + 9

f (-3) =

(4 \times  - 3 \times  - 3) + 9

=》

36 + 9

=》

45

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