Write the linear system as a matrix equation of the form AX = B. x + 4y = 3-4x - y = -1
What will be an ideal response?
= 
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There are 5 separate, equal-size boxes, and inside each box there are 4 separate small boxes, and inside each of the small boxes there are 3 even smaller boxes. How many boxes are there all together? ?
A. 85 boxes B. 80 boxes C. 65 boxes D. 90 boxes E. 60 boxes
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-2, 0) and (3, 4); Decreasing on (-5, -2) and (1, 3)
B. Increasing on (1, 3); Decreasing on (-2, 0) and (3, 5); Constant on (2, 5)
C. Increasing on (-2, 0) and (3, 5); Decreasing on (1, 3); Constant on 
D. Increasing on (-1, 0) and (3, 5); Decreasing on (0, 3); Constant on (-5, -3)
State the period of the function:
?
?
A. 
B. 
C. 
D. 
E. 1
Find the reciprocal of the expression.
A. 
B. 1 - 
C. - 
D. 