Question

IF F (X)=2X^2-2X-1, THEN F(-1) = ?

Answer 1

Answer:

3

Step-by-step explanation:

f(x)=2x^2-2x-1

So putting y= -1

f(-1)=2(-1)^2-2×(-1)-1

f(-1)=2+2-1

f(-1)=3

Hope it helps