Question

How does one change the graph of y = cot(x) to get y = cot(2x +...

How does one change the graph of y = cot(x) to get y = cot(2x + π)? and y = cot(2(x + π))? What are the periods and phase shifts of all three functions?

Math   Precalculus   
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Homework Answers

Answer #1

1.

cotx cot(2x+)

first shift graph left by units and then compress x axis by 2 times.

2.

cotx cot(2(x+))

first shidt graph left by 2 units and then compress x axis by 2 times.

y period phase shift
cotx 0
cot(2x+)
cot(2(x+)
0 0
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