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Anestetic [448]
3 years ago
12

Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2).

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
7 0

Answer:

- 3

Step-by-step explanation:

f(x) = 2 {x}^{3}  - 6x + 1 \\ plugging \: x =  - 2 \\ f( - 2) = 2( { - 2})^{3}  - 6( - 2)+ 1  \\  = 2 \times ( - 8) + 12 + 1 \\  =  - 16 + 13 \\  =  - 3 \\ f( - 2) =  - 3

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