Solve the problem.A salesperson earned $275 a week plus a bonus of $21 for each service contract sold. What is the weekly pay if 5 service contracts were sold?
A. $380
B. $275
C. $480
D. $105
Answer: A
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Use an annual percentage rate table to solve the problem.A student has a total of $2000 in student loans that will be paid with a 
installment loan with monthly payments of $49.30. Determine the APR of the loan to the nearest 
of a percent.
A. 8.5% B. 8.0% C. 7.5% D. 9.5%
Graph the line whose equation is given.y = 
x - 3
A. 
B. 
C. 
D. 
Find all critical numbers for the function. State whether it leads to a local maximum, a local minimum, or neither.f(x) = -x3- 4.5x2 + 12x + 4
A. Local maximum at -4; local minimum at 1 B. Local maximum at -1; local minimum at 4 C. Local maximum at 1; local minimum at -4 D. Local maximum at 4; local minimum at -1
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 4, y = -3, z = -5, w = 2; (4, -3, -5, 2)
B. x = -4, y = 3, z = 5, w = -2; (-4, 3, 5, -2)
C. x = 
, y = - 
, z = - 
, w = 
; 
D. x = - 
, y = 
, z = 
, w = - 
; 