Two functions f(x) and g (x), are defined by f(x) = x over x^2 +1 and g (x) = 3. What is f(g(x)) ?
Second question: what is the smallest integer that is the product of 4 distinct positive prime numbers?
Third question. For all pairs of negative integers c and d, which of the following inequalities is (are) true?
Third question: every complex number can be expressed in the form a + bi, where a and b are real numbers and i^2 = -1. Which of the following is equivalent to (1 + ci)^2.
Next question: what are the real numbers x, if any that are in the domain of the function f(x) = -x^5 but not in the domain of f (f(x)).
Next question: for how many integer values of M where 0< m < 20 will the equation
