Which of the following functions from `A={x in R :-1lt=xlt=1}` to itself are bijections? `f(x)=|x|` (b) `f(x)=sin(pix)/2` (c) `f(x)=sin(pix)/4` (d) none of these

Which of the following function from Z to itself are bijections? f(x)=x^3 (b) f(x)=x+2 f(x)=2x+1 (d) f(x)=x^2+x

Which of the following function from Z to itself are bijections? f(x)=x^3 (b) f(x)=x+2 f(x)=2x+1 (d) f(x)=x^2+x

The period of f(x)=sin""(2pix)/(3)+ cos""(pix)/(2) , is

Which of the following functions is the inverse of itself? (a) f(x)=(1-x)/(1+x) (b) f(x)=5^(logx) (c) f(x)=2^(x(x-1)) (d) None of these

For which of the following functions f(0) exists such that f(x) is continuous at x=0 f(x)=1/((log)_e|x|) b. f(x)=(cos((sin|x|)/x)) c. f(x)=x sin(pi/x) d. f(x)=1/(1+2^(cot x))

The function f(x)=sin""(pix)/(2)+2 cos ""(pix)/(3)-tan""(pix)/(4) is periodic with period

The period of the fuction f(x)=sin""((pix)/(n!))+ cos((pix)/((n+1)!)) , is

The period of the fuction f(x)=sin""((pix)/(n!))+ cos((pix)/((n+1)!)) , is

Which of the following function is surjective but not injective. (a) f:R->R ,f(x)=x^4+2x^3-x^2+1 (b) f:R->R ,f(x)=x^2+x+1 (c) f:R->R^+ ,f(x)=sqrt(x^2+1) (d) f:R->R ,f(x)=x^3+2x^2-x+1

What is the range of the function f(x)=5-6sin(pix+1) ?