bcook0202
28.02.2020 •
Mathematics
Can someone please help asap?
find f(-4) if f(x) = x2 - x
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Ответ:
20
Step-by-step explanation:
Given function f(x)=![\[x^{2}-x\]](/tpl/images/0528/0872/78cce.png)
We need to find f(-4) which means we need to find the value of the function when x=-4 .
On substituting x=-4 in the given function:
f(-4)=![\[-4^{2}-(-4)\]](/tpl/images/0528/0872/47eda.png)
Square of -4 is 16.
Hence, f(-4)=![\[16+4\]](/tpl/images/0528/0872/03e91.png)
=
Hence the value of the given function f(x)=![\[x^{2}-x\]](/tpl/images/0528/0872/78cce.png)
when x=-4 is 20.
Ответ:
they are different
Step-by-step explanation:
bc i need points