Answer:
Step-by-step explanation:
[tex]f(x)=12(2)^x\\\\f(-2)\to\text{put x = -2 to the equation of the function}\ f(x):\\\\f(-2)=12(2)^{-2}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\f(-2)=12\left(\dfrac{1}{2^2}\right)=12\left(\dfrac{1}{4}\right)=\dfrac{12}{4}=3[/tex]
