Find the second derivative of the function.r = 
(6 - ?)
A. 
= 
B. 
= - 
- 1
C. 
= 
- ?
D. 
= - 
- 1
Answer: A
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Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.-8(x + 7)
A. -8x - 56 B. -8x + 7 C. -8x + 56 D. x - 56
Answer the question about percent. Round to the nearest whole number where necessary.96 is 60% of what number?
A. 160 B. 58 C. 16 D. 1600
Solve the compound linear inequality graphically. Write your answer in interval notation. -5 < -2z + 3 ? 3 
A. (0, 4] B. [-4, 0) C. [0, 4) D. (-4, 0]
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The total tuition paid by all 3 students is $3651.
B.
AB = 
Tuition for Student 1 is $1240, tuition for Student 2 is $1217, and tuition for Student 3 is $875.
C.
AB = 
The total tuition paid by all 3 students is $3802.
D.
AB = 
Tuition for Student 1 is $1247, tuition for Student 2 is $1215, and tuition for Student 3 is $889.