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13 January, 20:50
Let f (x) = 3x + 4 and g (x) = - 2x2
Find f (g (x))
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Rocko
14 January, 00:31
0
f (g (x)) = - 6x²+4
Step-by-step explanation:
Given:
f (x) = 3x + 4 and g (x) = - 2x²
to find f (g (x)) we take the expression for g (x) and we substitute it into f (x) in place of x
Hence f (g (x))
= 3[g (x) ] + 4
= 3[-2x²] + 4
= - 6x²+4
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