1.If f(x)=6x+1 and g(x) =4+3 , what is (f-g)(x)?

A.2x-2
B10x+4
C-2x+2
D24x+3

2.if f(x)=5x and g(x) =9 , what is (f•g)(x) ?
A. 5^x+9
B45x
C9(5x)
D14x

Can anyone help me with this please ?