Given:
The function is
[tex]f(x)=-3x^2+2x-7[/tex]
To find:
The value of f(-1).
Solution:
We have,
[tex]f(x)=-3x^2+2x-7[/tex]
Putting x=-1, we get
[tex]f(-1)=-3(-1)^2+2(-1)-7[/tex]
[tex]f(-1)=-3(1)-2-7[/tex]
[tex]f(-1)=-3-9[/tex]
[tex]f(-1)=-12[/tex]
Therefore, the value of f(-1) is -12.
