Determine whether the function is one-to-one.The function that pairs students' ID numbers with their GPAs.
A. Yes
B. No
Answer: B
Mathematics
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Find the slope of the line through the points.(5, -9) and (6, 4)
A. 
B. - 13
C. - 
D. 13
Mathematics
Combine like terms.-4x + 2x + 9x
A. -2x + 9x B. 7 + x C. 7 D. 7x
Mathematics
Subtract and, if possible, simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A job pays a salary of 27,000 the first year. During the next 9 years, the salary increases by 5% each year. What is the salary for the 10th year? What is the total salary over the 10-year period? (Round to the nearest cent.)
A. $41,885.86; $339,603.10 B. $43,980.15; $383,583.25 C. $41,885.86; $297,717.24 D. $43,980.15; $297,737.24
Mathematics