9 less than a literal `x` is written as `9-x` (b) `x-9` (c) `x+9` (d) None of these

9 less than a literal x is written as (a) 9-x (b) x-9 (c) x+9 (d) None of these

If f(x)=|x^2-9x+20| , then f^(prime)(x) is equal to (a) -2x+9 for all x in RR (b) 2x-9 if 4 < x < 5 (c) -2x+9 if 4 < x < 5 (d) None of these

If f(x)=|x^2-9x+20| , then f^(prime)(x) is equal to (a) -2x+9 for all x in RR (b) 2x-9 if 4 < x < 5 (c) -2x+9 if 4 < x < 5 (d) None of these

For all real value of x , the maximum value of the expression x/(x^2-5x+9) is 1 (b) 45 (c) 90 (d) None of these

If no solution of 3siny+12sin^3x=a lies on the line y=3x , then (a) a in (-oo,-9)uu(9,oo) (b) a in [-9,9] (c) a in {-9,9} (d) none of these

Which of the following is a quadratic equation? a) 9y^2+5=0 b) x+y = 9 c) x^3=8 d)None of these

Which of the following is a quadratic equation? a) 5/x-3=x^2 b) x^2=9 c) x+7=0 d)None of these

For all real value of x, the maximum value of the expression (x)/(x^(2)-5x+9) is 1( b) 45(c)90 (d) None of these

If f(x)=k x^3-9x^2+9x+3 monotonically increasing in R , then (a) k<3 (b) klt=2 (c) kgeq3 (d) none of these

If f(x)=k x^3-9x^2+9x+3 monotonically increasing in R , then (a) k<3 (b) klt=2 (c) kgeq3 (d) none of these