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juin [17]
2 years ago
5

If f(x) = 2x2 - x, find f(-3).

Mathematics
2 answers:
jonny [76]2 years ago
7 0
F(x) = 2x^2 - x
if x=-3

f(-3) = (2*(-3)^2) - (-3)
f(-3) = (2*9) + 3
f(-3) = 18 + 3
f(-3) = 21
Sergio [31]2 years ago
7 0

Answer: 21

Step-by-step explanation: because i got it right

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