Find the circumference of the circle. Use 3.14 for a.
3.5 cm
The circumference of the circle is cm.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Math it's appreciated. (picture provided)

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5