Question

If f(x) = x² and g(x) = 2x + 1 then (fg)(0) is: 

(a) 0 

(b) 2 

(c) 1

(d) 4

Answer 1

(a) 0

(fg)(0) = f(0) g(0) 

= 0² (2(0) + 1) 

= 0(1) 

= 0