A film lasts 45 minutes what fraction of the film is left after 15 minutes and 25 minutes ?

i)

              ii)

Step-by-step explanation:

Total length of film = 45 mins

Fraction of time left after 15 mins =

                                                       =

Fraction of time left after 25 mins =

                                                        =

for this pair of functions g(x)=x-2 and f(x)=|x| is (g o f)(a)= |a| -2

step-by-step explanation:

g(x)=x-2

f(x)=|x|

(g o f)(a)=?

(g o f)(x)=g(f(x))

(g o f)(x)=g(|x|)

(g o f)(x)=|x|-2

(g o f)(a)=|a|-2