Remember that the domain is all possible x values of a function. In the case of sine and cosine functions, they go up and down (like waves), but go on forever. Therefore, the domain is all real numbers.
Correct Answer: B, All Real Numbers
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Answer:
-10
Step-by-step explanation:

step two is the rule of signs for multiplication
Answer:
First one
Step-by-step explanation:
For every 1 in x the y goes up by 3
Since the diameter and height of both shapes are the same, we know that the equation to solve for the semi circle is:
πr = 3.1*8 = 24.8
16 + 20 = 36
36 + 24.8 = 60.8
The perimeter of the shape is 60.8 ft