Question

Can someone please help asap? find f(-4) if f(x) = x2 - x

Answer 1

Answer:

20

Step-by-step explanation:

Given function f(x)=$\[x^{2}-x\]$

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)=$\[-4^{2}-(-4)\]$

Square of -4 is 16.

Hence, f(-4)=$\[16+4\]$

=$20$

Hence the value of the given function f(x)=$\[x^{2}-x\]$ when x=-4 is 20.