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Mathematics
Study Set
Precalculus
Exam 1: The Real Numbers
Path 4
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Question 41
Short Answer
Find all numbers x satisfying the following equation.
Question 42
Multiple Choice
Evaluate:
Question 43
Essay
Expand the given expression. (2x + 9y + 4z)
2
.
Question 44
Short Answer
Find all numbers x satisfying the equation. If there is more than one answer, enter the largest one first and separate them by commas.
Question 45
Short Answer
Write the set as an interval or as the union of two intervals.
Question 46
Short Answer
Find all numbers x satisfying the inequality. Give your solution in interval notation.
Question 47
Short Answer
Write the intersection as a single interval.
Question 48
Short Answer
Let
and
. Find a number C such that A + B + C equals
.
Question 49
Short Answer
Find all numbers x satisfying the equation. If there is more than one answer, enter the largest one first and separate them by commas.
Question 50
Short Answer
Write the union as a single interval.