Which of the following functions are even and which odd?
`f(x) = x^3 + x`

Which of the following functions are one-one? f(x) = 3x + 2

Which of the following functions are odd or even or neither : f(x)=|x|+1

Which of the following functions are odd or even or neither : f(x)=|x-2|

Which of the following functions are odd or even or neither : f(x)=tanx+3" cosec "x+x

Which of the following functions are one-one? f(x) = 2x^2 + 3

Which of the following functions are one-one? f(x) = (1)/(3x-4)

Find the intervals in which the following functions are strictly decreasing : f(x) = -2x^3 - 9x^2 - 12x + 1

Find the intervals in which the following functions are strictly increasing : f(x) = -2x^3 - 9x^2 - 12x + 1

Whether the following function is odd or even or neither : f (x) = secx + 4 cos x+3x^2 .

Find the intervals in which the following functions are strictly decreasing : f(x) = (x+1)^3(x-3)^3