Evaluate.(3x + 1)2/9
A. 
B. 
C. 
D. 
Answer: B
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Evaluate the expression.The expression (rule) for finding the total time for a commuting trip is d + 15 where d is the normal driving time and 15 is the number of minutes added to allow for delays. Find the total commuting time when the normal driving time is 49 minutes.
A. 98 min B. 49 min C. 64 min D. 34 min
Find the derivative of the function.f(x) = log7 (x9 + 1)
A. 
B. 
C. 
+ 9x8
D. 
Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 6?
B. 
?
C. 
?
D. 
?
Find an expression for the nth term of the arithmetic sequence. 6.5, 6.9, 7.3, 7.7, 8.1, . . .
A. an = 0.4n + 5.9 B. an = 0.3n + 6.1 C. an = 0.4n + 6.5 D. an = 0.4n + 6.1