Given function is,
[tex]f\mleft(x\mright)=4x+10.[/tex]To find f(-2), put x=-2 in the above equation
[tex]\begin{gathered} f\mleft(-2\mright)=4\mleft(-2\mright)\: +\: 10 \\ f\mleft(-2\mright)=-8+10 \\ f\mleft(-2\mright)=2 \end{gathered}[/tex]The answer is option C) 2.