Question

f (x)
+ 12 and g(x)=2x, what is the value of (1 = g)(144)?
84
60
0
48

Answer 1

f(x)=(√x)+12

g(x)=2√x

(f-g)(x)=f(x)-g(x)

(f-g)(144)=f(144)-g(144)=

(√144)+12-(2√144)=

12+12-2(12)=

24-24=

0