What is the range of this graph?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?