Solve the problem.If f(x) = 
and f(-4) = 8, what is the value of A?
A. A = 41
B. A = -41
C. A = 21
D. A = -21
Answer: B
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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
The figures are similar. Find the length of the missing side indicated with an x or y.
A. x = 18 B. x = 27 C. x = 9 D. x = 13
Use the data to complete the table.The following is the number of bonus points that 24 students have received for extra work. 
A. Frequency: 3, 5, 4, 6, 4, 2 B. Frequency: 3, 5, 3, 8, 3, 2 C. Frequency: 3, 5, 4, 7, 3, 2 D. Frequency: 3, 4, 5, 7, 3, 2
Evaluate the expression for the given replacement values.x + yz
x = 2, y = -5, z = -6
A. -28 B. 28 C. 18 D. 32