Question

F(x) =8x квадрате - 4x,x°=-2

Answer 1

Подставляешь вместо х его значение и всё:
F(-2)=8*(-2)²-4*(-2)=8*4+8=32+8=40

Answer 2

It looks like you've provided a function $F(x)$ and a value $x$ for which you want to evaluate the function. The function is $F(x) = 8x^2 - 4x$, and the value of $x$ is $x = -2$. To find the value of $F(x)$ when $x = -2$, you can substitute $x$ into the function and perform the calculations:

$F(-2) = 8(-2)^2 - 4(-2)$ $F(-2) = 8(4) + 8$ $F(-2) = 32 + 8$ $F(-2) = 40$

So, when $x = -2$, the value of the function $F(x)$ is 40.