Question

F(x)= -x2^-9xFind f(-2)

Answer 1

To find the value of the function at x = -2, we have:

`f(x)=-x^2-9x\Rightarrow f(-2)=-(-2)^2-9\cdot(-2)\Rightarrow f(-2)=-(4)+18_{}`

Then

`f(-2)=-4+18\Rightarrow f(-2)=14`

Therefore, the value for this function when x = -2 is 14.