<span>C) Ro 270 degree (anticlockwise)
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Answer: c
Step-by-step explanation:
Answer:
a. [-3, 4]
b. (-inf, -3]
c. [4, inf)
Step-by-step explanation:
Our intervals will represent the x-values
We know that since there's an arrow pointing to the left of the line that it goes on infinitely
Same thing when the arrow is going to the right
Then we can just looking at the x-values on the graph for the intervals where it starts and stops
Hope this helps
Best of luck
<span>This indicates the blood calcium level is very low .This condition is known as hypocalcemia. The low calcium level may result from a problem with the parathyroid glands as well as from diet,kidney disorders,or certain drugs also causes low blood calcium level.</span>
Let x = times in the pool
Let y = times in the basketball courts
42=3x+5y
x+y=12
Therefore y = 12-x
Subsitute for y
42 = 3x + 5(12-x)
42 = 3x + 60 -5x
Subtract 60
-18 = -2x
9 = x
The person used the pool 9 times.