Q24 of 105 Page 17

Mark the correct alternative in the following:
Function f(x) = a^x is increasing or R, if

Let x₁<x₂ and both are real number

f(x₁)<f(x₂)

x₁<x₂

only possible on a>1

Mark the correct alternative in the following:

The function is

Mark the correct alternative in the following:

The function is increasing, if

Mark the correct alternative in the following:

Function f(x) = log_a x is increasing on R, if

Mark the correct alternative in the following:

Let ϕ(x) = f(x) + f(2a – x) and f’’(x) > 0 for all xϵ[0, a]. The, ϕ(x)

Mark the correct alternative in the following:Function f(x) = ax is increasing or R, if