Question

Given f(x) = the quantity of 3x minus 1, divided by 2, solve for f^-1(4).

Answer 1

@ganeshie8 help please

Answer 2

f^-1 (x) is the inverse of f(x)

f(x) = (3x-1)/2
now find x in terms of f(x) (let f(x) = y if you like)
then replace the y by x and you have the required inverse
finally replace x by 4 and calculate f^-1(4)

Answer 3

I'll start it off for you

y = (3x - 1)/2
multiply through by 2:
2y = 3x - 1

Answer 4

now you need to find x in terms of y

Answer 5

@cwrw238 how?