Write the set using interval notation.{x| 2 < x < 7}
A. (2, 7)
B. [2, 7)
C. (2, 7]
D. [2, 7]
Answer: A
Mathematics
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Solve the problem.The total weekly earnings for a part-time job equals $6 per hour times the number of hours worked. Translate this to a formula, and use the formula to calculate the total weekly earnings for working9 hours.
A. $15 B. $6 C. $9 D. $54
Mathematics
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x2, [0, 4], midpoint
A. 
B. 
C. 
D. 
Mathematics
Complete the ordered pair for the given equation.9x + y = -38(0, )
A. (0, -47) B. (0, -342) C. (0, -38) D. (0, -5)
Mathematics
Simplify the radical.
A. 5
B. 10
C. 5
D. 5
Mathematics