8
QuizMultiple Choice
Graphing Sine and Cosine Functions
Question 8 • Common Core Precalculus - MA3112 Quarter 1
In some countries, the electricity running to a home oscillates between –240 volts and 240 volts, with a frequency of 90 cycles per second.Which function represents this scenario?
Answer
A
y = 240 sine (StartFraction pi x Over 180 EndFraction)
B
y = 240 sine (StartFraction pi x Over 90 EndFraction)
C
y = 240sin(90πx)D
y = 240sin(180πx)