klongstreet1731
05.05.2020 •
Mathematics
Find f(3) if
f(x) = x^3+ 2x^2 -x - 1
HELP ASAP
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Ответ:
f(3) = 41
Step-by-step explanation:
When we have something like f(3), which is f of 3, we just plug 3 in for x. Wherever you see an x, replace it with 3.
f(x) = x^3+ 2x^2 -x - 1
f(3) = 3^3 + 2(3^2) - 3 - 1
= 27 + 2(9) - 3 - 1
= 27 + 18 - 4
= 41
Ответ:
Ответ:
answer:
y=x2
Step-by-step explanation: