Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of 
near a rock formation. In this area, the ocean floor has an elevation of -330 ft. The rock formation rises to a peak 249 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 81 ft
B. 159 ft
C. 90 ft
D. 9 ft
Answer: B
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Write the indicated term of the binomial expansion.(x - 2y)12; 4th term
A. 880x3y9 B. 880x9y4 C. -1760x3y9 D. -1760x9y3
Solve the problem.The daily profit for a product is given by P = 36x - 0.02x2 - 1600, where x is the number of units produced and sold.a. Graph this function for x between 0 and 2100.b. Describe what happens to the profit of this product when the number of units produced is between 1 and 900. What happens after 900 units are produced? c. Is the graph of this function concave up or down?
A. a. 
b. The profit increases.; The profit decreases.
c. The graph is concave up.
B.
a.
b. The profit decreases.; The profit increases.
c. The graph is concave up.
C. a.
b. The profit decreases.; The profit increases.
c. The graph is concave down.
D. a.
b. The profit increases.; The profit decreases.
c. The graph is concave down.
Match the graph with its corresponding function.
A. g(x) = 
- 6
B. g(x) = 
C. g(x) = 6x3
D. g(x) = 
Determine whether the given points are collinear.(5, -18), (3, -12), (-4, 9)
A. Yes B. No