Answer:
k = 2
Step-by-step explanation:
Use a graphing calculator
Answer:
or 
Step-by-step explanation:
The given trigonometric equation is;

By the zero product property;
or 
For
, the general solution is 
,
, the general solution is 
Therefore the general solution is:
or 
Combinations of the hours he can work at the two jobs and earn at least $300
Answer:
A)
Step-by-step explanation:
In the first graph, Michelle is doing more jumps than Cintia.
In the second graph, Cintia is doing more jumps than Michelle.
Therefore, the correct graph is the first one, A).