Question

Find f(-2) for f(x)= 2(4)^x

Answer 1

0.125

Step-by-step explanation:

=2(4)^(-2)=2(0.0625)=0.125

Answer 2

1/8

Step-by-step explanation:

Evaluate 2 4^x where x = -2:

2×4^x = 2/4^2

4^2 = 16:

2/16

The gcd of 2 and 16 is 2, so 2/16 = (2×1)/(2×8) = 2/2×1/8 = 1/8:

Answer: 1/8