Find the limit of the function algebraically.
A. 0
B. Does not exist
C. 1
D. 2
Answer: A
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Provide an appropriate response.(a) Graph the curves r = 
and r = 
.(b) Find polar coordinates of the points of intersection of the curves in part (a).(c) Show that at the points of intersection the tangent lines to the curves are perpendicular to each other.
What will be an ideal response?
Provide an appropriate response.Perform the indicated operations: 489 × 104 =
A. 48,000,000 B. 195,000 C. 4,890,000 D. 0.0489
Solve the problem.Ariel, a marine biologist, models a population P of crabs, t days after being left to reproduce, with the function 
. Assuming that this model continues to be accurate, when will this population become extinct? (Round to the nearest day.)
A. 707 days B. 911 days C. 547 days D. 1512 days
Use the distributive property. Assume that variables represent nonnegative values.
(
- 2
)
A. 
- 4
B. 
+ 2
C. 
- 2
D. 
+ 4