If f(x) = 2x2 + 1, what is f(x) when x = 3?

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asked Dec 12, 2023 192k views

2 votes

If f(x) = 2x2 + 1, what is f(x) when x = 3?

Mathematics
college

Hamdog asked

by Hamdog

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2 Answers

5 votes

Answer:

Explanation:

Pankaj Prakash answered Dec 13, 2023

by Pankaj Prakash

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2 votes

we have the function f(x)

For x=3

substitute in the function above

$\begin{gathered} f(x)=2x^2+1 \\ f(3)=2(3^2)+1 \\ f(3)=18+1 \\ f(3)=19 \end{gathered}$

therefore

the answer is 19

Brygom answered Dec 16, 2023

by Brygom

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the answer is 19

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