Respuesta :
31.
replace x in the equation with 7
F(7)=4(7)+3
4(7)=28 so,
F(7)=28+3
which equals F(7)=31.
the answer is 31
replace x in the equation with 7
F(7)=4(7)+3
4(7)=28 so,
F(7)=28+3
which equals F(7)=31.
the answer is 31