Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.9 times a number added to -9, added to 6 times the sum of 5 times the number 
A. 9x - 9 + 6(5 + 4x); 33x + 39
B. 9(-9 + x) + 6(5 + 4x); 13x - 51
C. 6(5x + 4) + [9x + (-9)]; 39x + 15
D. 9(-9 + x) + 6(5x + 4); 39x - 77
Answer: C
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Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = x3 + 5x; g '(1)
A. g '(x) = 3x2 + 5x; g '(1) = 8 B. g '(x) = 3x2; g '(1) = 3 C. g '(x) = 3x2 + 5; g '(1) = 8 D. g '(x) = x2 + 5; g '(1) = 6
Convert using dimensional analysis.6 feet to inches
A. 24 in. B. 72 in. C. 216 in. D. 18 in.
Add. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Plot and interpret the appropriate scatter diagram.The table gives the times spent watching TV and the grades of several students. 
Which scatter diagram describes the data and the relationship, if any?
A. 
More hours spent watching TV may reduce grades.
B. 
More hours spent watching TV may reduce grades.
C. 
More hours spent watching TV may increase grades.
D. none of these