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Abbey Li
Mathematics
21 June, 21:37
Find f (-2) for the function fwd) = 3x - 2x + 7
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Vincent Weber
21 June, 21:50
0
23
Step-by-step explanation:
Maybe you want to evaluate ...
f (x) = 3x^2 - 2x + 7
for x = - 2.
Put the value of x where x is, then do the arithmetic.
f (-2) = 3 (-2) ^2 - 2 (-2) + 7 = 3 (4) + 4 + 7
f (-2) = 23
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