Domain are all the possible x values of a function. When you look at a cosine graph you can see that it goes on into infinity in the x or horizontal direction. This means that all x values are included in cosine. Because of this the domain is:
all real numbers
or
(-∞,∞)
^^^ It can be written both ways
Hope this helped! Let me know if there is anything else I can do!
Answer:
thanks
Step-by-step explanation:
:)
Answer:
B.
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
y÷x
12÷3=4 and 20÷5=4
Answer:
y=6
Step-by-step explanation:
-x+2y=10
-2+2y=10
2y=12
y=6
