Let f(x)= x/5 + 1 . Find f^-1(x)
f^-1(x)= 5(x-1)
EC
Related Maths GCSE answers
All answers ▸At a football game number of men : number of women : number of children = 13 : 5 : 7 There are 4152 more men than women. Work out the number of children at the game.
Factorise 4x + 52
Solve the equation: (2x+3)/(x-4)-(2x-8)/(2x+1)=1
You are told that the y is proportional to x^2 and that when y=75, x=5. Find a formula for x in terms of y.