Answer:
Top left
Step-by-step explanation:
In order for it to be a function, it has to pass the vertical line test. So draw a line down the middle of the graphs. If it passes once, then it is a function, if it passes more than once it is not.
Answer:
B
Step-by-step explanation:
b is the correct answer
For this case we have a function of the form 
, where 
We must find the value of the function when 
, that is, we must find f (3). So:
So
Answer:
This is something to memorize
y = r*sin(theta)
so if y = 2, then
2 = r*sin(theta)
Divide both sides by sin(theta) to get
r = 2/sin(theta)
r = 2csc(theta)
Answer:
x = 24
Step-by-step explanation:
I checked and made sure the answer was correct.
Hope this helps!
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