Answer :
Given the function
[tex]f(x)=3-1.2x[/tex]To find f(-2),
Substitute -2 into the given function
[tex]\begin{gathered} f(x)=3-1.2x \\ f(-2)=3-1.2(-2)=3+2.4=5.4 \\ f(-2)=5.4 \end{gathered}[/tex]Hence, f(-2) of f(x) is 5.4
The answer is the first option.