Describe the behavior of the function's graph at its x-intercepts.x3 - 3x2 - 9x + 27
A. Does not cross at (3, 0), crosses at (-3, 0)
B. Crosses at (3, 0) and (-3, 0)
C. Does not cross at (3, 0) or (-3, 0)
D. Crosses at (3, 0), does not cross at (-3, 0)
Answer: A
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Find the expected value.An insurance policy sells for $720. Based on past data, an average of 1 in 70 policyholders will file a $10,000 claim, an average of 1 in 100 policyholders will file a $20,000 claim, and an average of 1 in 400 policyholders will file a $50,000 claim. What is the expected value to the company per policy sold?
A. $468 B. $276 C. $252 D. $282
Determine which of the fundamental laws of algebra is demonstrated.6 × 4 = 4 × 6
A. Commutative B. Distributive C. Associative
Solve the problem.One leg of a right triangle is 
longer than the smaller leg, and the hypotenuse is 
longer than the smaller leg. Find the lengths of the sides of the triangle.
A. 4 in., 11 in., 12 in B. 6 in., 13 in., 14 in C. 4 in., 11 in., 14 in D. 5 in., 12 in., 13 in.
Solve. x + 2y + 4z = 7 2y + 5z = 1 z = -1
A. (-1, 3, 5) B. (5, 3, -1) C. (-1, 5, 3) D. (5, -1, 3)