The b in both of the graph types: y = a sine (b x), y = a cosine (b x), affects the period (or wavelength) of the graph. What happens to the period as the value of b gets larger? a.
wavelength increases
c.
period decreases
b.
period increases
d.
wavelength stays the same

Pranza plotted point a in the coordinate plane below.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?