59. For a specific nonzero value of b, the graph of y = sin bx in the standard (x, y) coordinate plane inter-
sects the x-axis at k values of x in the interval
0 < x < 21. At how many values of x in this interval
does the graph of y = 2 sin bx intersect the x-axis?
k
k-2
C.
k + 2
D.
k
2
E. 2k

The value √10 and √15 are plotted on the number line

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)