aniyadavis24 aniyadavis24

30-04-2018
Mathematics

contestada

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

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bradymzimmerp3ccww bradymzimmerp3ccww

30-04-2018

2(3)^2 +1
2 (3*3)+1
2(9)+1
18+1
19.

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juzellynch juzellynch

30-04-2018

The answer is 19

Just replace x = 3

f(3) = 2x2 + 1

f(3) = 2(3^2) + 1

f(3) = 2(9) + 1

f(3) = 18 + 1

f(3) = 19

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