Simplify.-|-13|
A. -13
B. 13
C. - 
D. 26
Answer: A
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Determine if the statement is a rational equation.
= 
A. Yes B. No
Solve the indicated equation analytically.The weekly sales in thousands of items of a product has a seasonal sales record approximated by 
where t is the time in weeks with t = 1 referring to the first week in the year. During which week(s) will the sales equal 99,650 items?
A. week 4, week 20, and week 52 B. week 21 and week 30 C. week 30 and week 47 D. week 4 and week 47
Graph the exponential function and state the domain and range.y = 4x
A. Domain: (0, ?), Range: (0, ?) 
B. Domain: (-?, 0), Range: (-?, 0)
C. Domain: (-?, ?), Range: (0, ?)
D. Domain: (-?, ?), Range: (-?, 0) 
Two students have a 3.05 GPA. This semester, each earns a 3.80 GPA on 10 credit hours. Which student will see more improvement in overall GPA: the fourth-year full-time student or the second-year full-time student?
A) second-year student B) fourth-year student