Question

WILL GIVE BRAINEST find f(-2) for f(x)=2×3^xa.-18b.1/18c.-36d.2/9

Answer 1

F(-2)=2*3^-2
=2/3^2
=2/9

Answer 2

D is correct. f(-2) the number in the bracket is an input so..
whenever you see an X in the function replace it with -2
f(-2)=2*3^-2
3^-2 is 1/9
1/9 * 2 is simply 2/9
so D is correct