Question

1.What is the Domain_____and Range____of the cosine function pictured below2.What is the value of x at the maximum point?3.What is the value of x at the minimum point?

Answer 1

1a)The domain is the possible x values for the function which is given as

`0\leq x\leq360`

1b) The range is the possible y values for the function which is given as

`-1\leq y\leq1`

2) The value of x at the maximum point is the angles that correspond with "1" on the y-axis.

`x=0^0\text{ and 360}^0`

3) The value of y at the minimum point is the angle that corresponds with "-1" on the y-axis.

`x=180^0`