Graph the linear inequality.x + 4y < 5
A. 
B. 
C. 
D. 
Answer: C
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Divide as indicated.
A. -4x2 - 4 B. x2 - 3x - 4 C. x2 + 3x + 4 D. -4x2 - 3x - 4
Simplify the rational expression completely.
A. 
B. 13xy
C. 
D. 13x6y2
Find the domain and range of the function represented in the graph.
A. Domain: (-?, 3) or (3, ?); Range: (-?, 5) or (5, ?) B. Domain: (-?, ?); Range: (-?, 5] C. Domain: (-?, 3]; Range: (-?, 5] D. Domain: (-?, ?); Range: (-?, ?)
Solve the problem.A box contains a total of n + 2 light bulbs. In this box, there are 7 defective 40-watt bulbs, 4 defective 60-watt bulbs, and 5 defective 100-watt bulbs. If a light bulb is chosen at random by a quality control inspector, the probability, or chance, of one of the defective light bulbs being chosen is 
+ 
+ 
.Simplify this expression and then use the simplified expression to evaluate n = 98 and interpret the result.
A. 
; when there are 100 light bulbs, there are 4 chances in 25 that a defective light bulb is chosen.
B. 
; when there are 100 light bulbs, there are 7 chances in 50 that a defective light bulb is chosen.
C. 
; when there are 100 light bulbs, there are 8 chances in 25 that a defective light bulb is chosen.
D. 
; when there are 100 light bulbs, there are 9 chances in 50 that a defective light bulb is chosen.