14
QuizMultiple Choice
Unit Test — Unit test
Question 14 • 2025-2026 FBISD - Precalculus A (CR)
Over which interval is the graph of y = cos(x) strictly increasing?
Answer
A
0 less-than x less-than StartFraction pi Over 2 EndFraction
B
0 < x < πC
StartFraction pi Over 2 EndFraction less-than x less-than StartFraction 3 pi Over 2 EndFraction
D
π < x < 2π