Question

Find f(-2) for f(x) = 3.2. O A. 2/1 OB. 36 O C. -36 OD. -12 3/4

Answer 1

A
f(-2)=3.2^-2
2^-2=1/2^2=1/4
3x1/4 =3/4

Answer 2

Answer:

3/4 (A)

Step-by-step explanation:

replace x with -2 in the function

3 · 2^-2  = 3 · 0.25

3 · 0.25 = 0.75

0.75 = 3/4