19
QuizMultiple Choice

Box Plots — Cumulative exam

Question 19 • Concepts in Probability and Statistics A

The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form?

Answer
A
x3 + 3x − 1
B
x3 + 4x − 1
C
x3 + 3x2 + 3x − 1
D
x3 + 2x2 − x + 1
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