Find an equation for the graph.
A. y = 2 cos 
x
B. y = 2 cos 3x
C. y = 3 cos 2x
D. y = 3 cos 
x
Answer: A
Mathematics
You might also like to view...
Solve the application problem.The net income y (in millions of dollars) of Pet Products Unlimited from 1997 to 1999 is given by the equation 
where x represents the number of years after 1997. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $256 million.
A. 2003 B. 2000 C. 2002 D. 2001
Mathematics
Find 
.
?
What will be an ideal response?
Mathematics
List four equivalent forms for the rational expression.- 
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Mathematics
Find an equivalent expression.sin 
A. -cos x B. sec x C. csc x D. cos x
Mathematics