The function f is defined by f(x) = 2x^2+5. Find f(3a)

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The function f is defined by f(x) = 2x^2+5.
Find f(3a)

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14 votes

Plug in 3a for x,

2(3a)^2 is 18a^2, then add five

Answer: 18a^2 +5

Gary Brunton answered May 16, 2022

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