Answer:
dollars
Step-by-step explanation:
We have been given that the cost of each poster is 'd' dollars, so cost of 2 posters would be .
We are also told that Anna bought a computer game for $12.
The total amount spent on all items would be cost of computer plus cost of 2 posters.
Therefore, Anna spent dollars all together.
Answer:
Step-by-step explanation:
we are given
remember that,
where A is the Amplitude
B is the Period
C is the Phase shift
D is the vertical shift
note that, since D isn't given we'll take it 0
altogether substitute:
hence,
our equation is
and we are done!
Answer:
B)
Step-by-step explanation:
Technically, since the function starts at its maximum, you could say the function is , but the answer choices all use sine instead. Therefore, we will have to use the cofunction identity
and we can see that the correct answer is B.