`f : R -> R, f(x) =(2x^2 - 5x +3)/(8x^2+ 9x +11)`, then f is

If f: R to R defined by f(x) ={{:(2x+5, if, x gt 0),(3x-2, if, x le 0):} then f is

If f(x) = 9x^(2) + 5x - 8 , then f(-2) = ?

Let f:R to R be defined as f (x) =( 9x ^(2) -x +4)/( x ^(2) _ x+4). Then the range of the function f (x) is

Let f:R to R be defined as f (x) =( 9x ^(2) -x +4)/( x ^(2) _ x+4). Then the range of the function f (x) is

If f: R to R defined by f(x) =x for x ge 2 and f(x) =5x-2 for x lt 2 , then f is:

Let f: R to R be defined by f(x) = 5^(2x)/(5^(2x) + 5) , then f(x) + f(1-x) is equal to

If f:R rarr R be a function defined as f(x)=(x^(2)-8)/(x^(2)+2) , then f is

Which of the following are one-one ,onto (or) bijections? Justify your answer. (i) f: R to R, f(x) =(2x+1)/3 (ii) f: N to N, f(x) = 2x+3 (iii) f:[0, infty) to [0,infty), f(x) = x^(2) (iv) f: R to R, f(x) =x^(2) (v) f: R to (0, infty), f(x) = 5^(x) (vi) f: (0, infty) to R, f(x) = log_(e)^(x) (vii) f: R to R, f(x) = {{:(x, if x gt 2),(5x-2, if x le 2):}