Find the values of x for which the expression is a real number.
A. 
? 
B. 
? 
C. 
D. 
Answer: B
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The problem describes procedures that are to be applied to numbers. Represent the original number as n and use deductive reasoning to prove a conjecture that relates the result of the process to the number n.Select a number. Multiply the number by 88. Add 88 to the product. Divide this sum by 44. Subtract two from the quotient.
A. 
- 2 = 2n + 2 - 2 = 2n
B. 
- 1 = n + 1 - 1 = n
C. 
- 2 = n + 1 - 2 = n - 1
D. 
- 2 = 2n + 1 - 2 = 2n - 1
Solve the problem.Kimberly invested 
in her savings account for 7 years. When she withdrew it, she had 
. Interest was compounded continuously. What was the interest rate on the account? Round to the nearest tenth of a percent.
A. 3.4% B. 3.45% C. 3.2% D. 3.3%
Complete the graph by shading the correct region.x - y ? 7
A. 
B. 
C. 
D. 
Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes B. No