Question

A cosine function has an amplitude of 2, a frequency of StartFraction 2 over pi EndFraction, and midline at y equals 3.



What is an equation of this function? Move values to the lines to give an equation for this function.

Response area with 3 blank spaces
y equals
Blank space 1 empty
cosine left-parenthesis
Blank space 2 empty
x right-parenthesis End cosine plus
Blank space 3 empty
Answer options with 6 options.
Answer Options
2 pi
4 pi
1
2
3
4
theres no graph

Answer 1

y = 2 cos(4x) + 3

So fill blanks: Blank 1 = 2, Blank 2 = 4, Blank 3 = 3.