SOLUTION: please help me: Find the phase shift of the function y= 3 sin(2x-1): here are the possible answers: a)1 right b)1 left c)1/2 right

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Question 243320: please help me:
Find the phase shift of the function y= 3 sin(2x-1):
here are the possible answers:
a)1 right
b)1 left
c)1/2 right
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
To find the phase shift, set the angle equal to zero.

2x-1=0
2x=1
x=1/2

If the value of x is positive, then the shift is to the right. If it is negative, then the phase shift is to the left.

Dr. Robert J. Rapalje, Retired
Seminole State College of Florida
Altamonte Springs Campus