" (i) "f(x)={[2x+3," wa "x<=2],[2x-3" se "x>2" .Porkn "]

f(x)=2x+3 if x 2

If f(x)=2x+3, find f[f(x)] .

If f(x)=[[x-3 , 2 x^2-18 , 3 x^3-81],[ x-5 , 2 x^2-50 , 4 x^3-500],[ 1 , 2 , 3 ]] then f(1) . f(3)+f(3) . f(5)+f(5) . f(1)=

Find the intervals in which the following function are increasing or decreasing. f(x)=10-6x-2x^2 f(x)=x^2+2x-5 f(x)=6-9x-x^2 f(x)=2x^3-12 x^2+18 x+15 f(x)=5+36 x+3x^2-2x^3 f(x)=8+36 x+3x^2-2x^3 f(x)=5x^3-15 x^2-120 x+3 f(x)=x^3-6x^2-36 x+2 f(x)=2x^3-15 x^2+36 x+1 f(x)=2x^3+9x^2+20 f(x)=2x^3-9x^2+12 x-5 f(x)=6+12 x+3x^2-2x^3 f(x)=2x^3-24 x+107 f(x)=-2x^3-9x^2-12 x+1 f(x)=(x-1)(x-2)^2 f(x)=x^3-12 x^2+36 x+17 f(x)=2x^3-24+7 f(x)=3/(10)x^4-4/5x^3-3x^2+(36)/5x+11 f(x)=x^4-4x f(x)=(x^4)/4+2/3x^3-5/2x^2-6x+7 f(x)=x^4-4x^3+4x^2+15 f(x)=5x^(3/2)-3x^(5/2),x >0 f(x)==x^8+6x^2 f(x)==x^3-6x^2+9x+15 f(x)={x(x-2)}^2 f(x)=3x^4-4x^3-12 x^2+5 f(x)=3/2x^4-4x^3-45 x^2+51 f(x)=log(2+x)-(2x)/(2+x),xR

If f(x)=(3x-2)/(2x-3), prove that f(f(x)))=x for all x in R-{(3)/(2)}

If f(x)=(3x-2)/(2x-3), prove that f(f(x)))=x for all x in R-{3/2} .

If f(x)=(3x-2)/(2x-3), prove that f(f(x)))=x for all x in R-{3/2} .

If f(x) = (3x-2)/(2x-3),AA x in R -{(3)/(2)} , " Find " f^(-1)

f(x)=4x-1, " if " x gt4 =x^(2)-2, " if " -2 le x le 3 =3x+4," if " x lt -2. Then f(5)+f(2)+f(-3)=

If f(x) =x^2+2x+7 , find f'(3).