4
ALMultiple Choice
The Rational Root Theorem
Question 4 • IASD Precalculus 2nd Quarter - Wingerter 2025-26
Which of the following functions has a domain of all real numbers except x = 4.1?
Answer
A
y = + 2.8
B
y = − 2.5
C
y = + 2.5
D
y = + 2.8
Question 4 • IASD Precalculus 2nd Quarter - Wingerter 2025-26