Question

F(x)=4x²-9 when x= 3 and when x= -1.

Answer 1

To find the value of F(x) when x = 3 and x = -1, substitute these values into the given equation.

Step-by-step explanation:

To find the value of F(x) when x = 3 and x = -1, we substitute these values into the given equation:

F(3) = 4(3)^2 - 9 = 4(9) - 9 = 36 - 9 = 27

F(-1) = 4(-1)^2 - 9 = 4(1) - 9 = 4 - 9 = -5