drxppymami
08.09.2021 •
Mathematics
Please help me solve this
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Ответ:
Ответ:
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