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
Answer: C
Mathematics
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Solve the equation.x2 = -8x
A. {8} B. {0, 8} C. {-8} D. {0, -8}
Mathematics
Use a calculator to find the function value to four decimal places.cos (-405°)
A. 0.7071 B. 0.9659 C. -0.7071 D. 0.2588
Mathematics
Make a bar graph using the given frequencies.The frequency distribution indicates the test averages of a group of 420 students.
A.
 ? |
B.
C.
 ? |
D.
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = (
- 4)x - 
+ 8
B. y = (-
+ 4)x + 
- 8
C. y = (-
- 4)x - 
+ 8
D. y = (
- 4)x + 
- 8
Mathematics