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Practice Chain Rule – Let f(x) = x^2 and g(x) = 2^x for all real x. Then the value of f(f(g(x)) + g(f(x)) ) at x = 1 is

Practice Chain Rule – How man Y different pairs(a,b) of positive integers are there such that a<=b and 1/a+1/b = 1/9?

Practice Chain Rule – f(x) = (5x+2)/(3x-5) and g(x) = x^2 – 2x – 1, then the value of g(f(f(3))) is.

Practice Chain Rule – if f1(x) = x^2 + 11x + n and f2(x) = x, then the largest positive integer n for which equation f1(x) = f2(x) has two distinct real root is

Practice Chain Rule – If f(ab) = f(a)f(b) for all positive integers a and b, then the largest possible value of f(1) is

Practice Chain Rule – Let f(x) = 2x-5 and g(x) = 7-2x. Then |f(x)+ g(x)| = |f(x)|+ |g(x)| if and only if

Practice Chain Rule – if 9^(x-1/2) – 9^(2x-2) = 4^x- 3^(2x-3), then x is

Practice Chain Rule – if 9^(2x-1) – 81(x-1) = 1944, then x is

Practice Chain Rule – If x+1=x^2 and x>0, then 2x^4 is

Practice Chain Rule – What is the value of k for which the following system of equations has no solution:

2x-8y = 3 and kx +4y = 10

Practice Chain Rule – If 9x-3y=12 and 3x-5y=7 then 6x-2y = ?

Practice Chain Rule – 3/p = 6,3/q = 15.

Find p-q.

Practice Chain Rule – If a=2, b=3, c=6
Find the value of c/(a+b)-(a+b)/c

Practice Chain Rule – Q is not equal to zero and k = (Q * n – s)/2.What is n?

Practice Chain Rule – If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3