Q31 of 215 Page 3

Mark the correct alternative in each of the following:

If f: R → R is given by f(x) = 3x – 5, then f–1(x)


Given that f: R → R is given by f(x) = 3x – 5


To find f–1(x):


y =f(x)


⇒ y = 3x – 5


⇒ y + 5 = 3x



More from this chapter

All 215 →
29

Mark the correct alternative in each of the following:

The function f : R → R defined by f(x) = 6x + 6|x| is


 30

Mark the correct alternative in each of the following:

Let f(x) = x2 and g(x) = 2x. Then the solution set of the equation fog(x) = gof (x) is


 32

Mark the correct alternative in each of the following:

If g(f(x)) = |sin x| and f (g(x)) = , then


 33

Mark the correct alternative in each of the following:

The inverse of the function f : R → [x ϵ R : x < 1] given by is