Answer:
= 6 typists
Step-by-step explanation:
Well, 2 can type 2 in 2 mins,
So, 1 can type 2 in 4 mins.
So, 1 can type 18 in 36 mins.
So, 2 can type 18 in 18 mins.
So, 6 can type 18 in 6 mins.
Answer: 4x
Answer:g(f(x))= x^2 +6x+5
g(f(x))= x^2 -4
g(f(x))= (x+3)^2 -4
g(f(x))= (x+3)(x+3) -4
g(f(x))= x^2 +6x+9-4
g(f(x))= x^2 +6x+5
