Cumulative Exam — Cumulative exam Answers

If f(x) is an odd function, which statement about the graph of f(x) must be true?

For which pair of functions is ?

What substitution should be used to rewrite x8 – 3x4 + 2 = 0 as a quadratic equation?

Which of the following describes the zeroes of the graph of f(x) = –x5 + 9x4 – 18x3?

If f(x) = –x2 + 3x + 5 and g(x) = x2 + 2x, which graph shows the graph of (f + g)(x)?

Juan jogs each day from his house to a local park, and then he jogs back along the same route. On his way to the park, he averages 4 miles per hour. On his way home, he averages 6 miles per hour. If the total trip takes hours, which equation can be used to find x, the distance in miles from Juan’s house to the park? Distance (mi)Rate (mi/hr)Time (hr)Trip to Parkx4 mph Trip to Homex6 mph

Which equation represents a linear function?

What is the additive inverse of the complex number –12 + 4i?

Nine and one-half less than four and one-half times a number is greater than 62.5. Which of the following represents the solution set of this problem?

What is the value of 53i 9?

Use synthetic division to solve . What is the quotient?

If f(x) = x2 – 1 and g(x) = 2x – 3, what is the domain of ?

The graph of f(x) = 4x3 – 13x2 + 9x + 2 is shown below. How many roots of f(x) are rational numbers?

If m(x) = x2 + 3 and n(x) = 5x + 9, which expression is equivalent to (mn)(x)?

What is the factored form of ?

Which expression is a perfect cube?

What is the remainder when (x3 + 1) is divided by (x2 – x + 1)?

The quotient of (x4 – 3x2 + 4x – 3) and (x2 + x – 3) is a polynomial. What is the quotient?

Which equation could generate the curve in the graph below?

Which expression is equivalent to ?