Answer:
216
Step-by-step explanation:
f(x) = 8(3)ˣ⁻²
when x = 5
[tex]f(5) = 8 {(3)}^{5 - 2} [/tex]
[tex]f(5) = 8 {(3)}^{3}[/tex]
f(5) = 8 × 27
f(5) = 216