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F(x) = x 2 + 1 and g(x) = 3x + 1, find 2·f(4)

F(x) = x 2 + 1 and g(x) = 3x + 1, find 2·f(4)
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F(x) = x 2 + 1 and g(x) = 3x + 1, find 2·f(4)

User Hadj Ali Oussama
by
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1 Answer

2 votes
f(4)=2(4)+1
f(4)=9

2×f(4) = 2×9 =18

The answer is 18.
User Xiaoyifang
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