2. Which transformations change the shape of a sinusoidal function? Describe the manner in which they change the shape.

3. Which transformations change the location of a sinusoidal function?Describe the manner in which they change the location.

4.Describe the transformations to the graph off(x)=cosxto produce each of the following functions.

a)g(x)=2f(x-60)+1

b)g(x)=3f(-1/2x)

c)g(x)=1/3cos(x+45)+2

d)g(x)=4cos(2x-90)-3

15 For the function f(x)=sinx, sketch the graph of the original and transformed functionand state the key featuresof the transformed function.

a)y=f(x-30)-1

b) y=-2f(x)+4

c)y=-2f[-(x+60)]-3

d)y=3sin[1/4(x-90)]