Unit Test Answers

The tables for f(x) and g(x) are shown below.xf(x)–5–11–21113529xg(x)–5–7–2–115513What is the value of (f – g)(5)?

If k(x) = 5x – 6, which expression is equivalent to (k + k)(4)?

If the function has an inverse function, which statement must be true?

What is the completely factored form of ?

If and , what is the degree of ?

Which function is the inverse of ?

The area of a rectangle is (x3 – 5x2 + 3x – 15), and the width of the rectangle is (x2 + 3). If area = length × width, what is the length of the rectangle?