Graph the exponential function whose equation is given. Start by using -2, -1, 0, 1, and 2 for x and finding the corresponding values for y.y = 
x - 1
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem using the rule of 78.Caroline Jones took out a 48-month fixed installment loan of $21,000 to open a restaurant. She began making monthly payments of $511.88. Caroline's business does better than expected and instead of making her 29th payment, Caroline decides to repay her loan in full. What is the total amount due to pay off the balance?
A. $9148.84 B. $9789.26 C. $9660.71 D. $9184.43
Divide.
÷ (7b + 9)
A. -3b2 + 
b + 9
B. 
b + 1
C. 
b - 1
D. b2 + 85b + 1
Write a matrix to display the information.Factory A makes 9 model-A, 4 model-D, and 5 model-M train sets. Factory B makes 8 model-A, 4 model-D, and 7 model-M train sets. If model-A sells for $16, model-D for $21, and model-M for $36, write a 2 x 3 matrix to summarize the income by model.
A. 
B. 
C. 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. -3x15y15 B. 9x10y10 C. -3x10y10 D. 3x10y10