mp515
01.10.2019 •
Mathematics
Plleaaass ! i need right answers asap
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Ответ:
Ответ:
f(-x) = f(x)
f(x) is odd if:
f(-x) = -f(x)
Plug in -x into f(x):
f(-x) = 5(-x)^2 - 2
f(-x) = 5x^2 - 2
We got back our original f(x) by plugging in -x, so f(-x) = f(x), and therefore the function is even.