Question

This question is about function notation, please help me solve

Answer 1

f(x) = 2x+7 /3

let f(x)=y

x= f-¹(y)

y= 2x+7/3

3y = 2x+7

3y-7 /2 = x = f-¹(y)

=> f-¹(x) = (3x-7) /2

ii) f(m)= 2m+7/3 =m/2

4m+14 =3m

m = -14