8
lesson pretestMultiple Choice

Pretest

Question 8 • CMS 2026-2027 NC Math 2 CREDIT RECOVERY

What is the domain of the function y is equal to cube root of x minus 1 ?

Answer
A
negative infinity is less than x comma x is less than infinity
B
negative 1 is less than x comma x is less than infinity
C
1 is less than or equal to x comma x is less than infinity
D
0 is less than or equal to x comma x is less than infinity

Explanation

A cube root is defined for every real number, including negative numbers. So x can be any real value, from negative infinity to infinity. The correct choice is “negative infinity is less than x, x is less than infinity.”

AI-written and checked against the verified answer.

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