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: (-?, ?)
Answer: B
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Write the word statement as an equation. Use x to represent the unknown number. Do not solve.Four times the sum of a number and 31 decreased by 9 is the same as the difference of six times the number and 15.
A. (4x + 31) - 9 = 6x - 15 B. (4x + 31) - 9 = 15 - 6x C. 4(x + 31) - 9 = 6(x - 15) D. 4(x + 31) - 9 = 6x - 15
Use the distributive property to remove parentheses and write the product as a sum. Simplify if possible.-(9x + 4)
A. -9x - 4 B. 9x - 4 C. -9x + 4 D. 9x + 4
Find the area of the circle with the given radius or diameter. Use ? ? 3.14.r = 8.5 in.
A. A ? 907.46 in.2 B. A ? 106.76 in.2 C. A ? 53.38 in.2 D. A ? 226.865 in.2
Solve the problem using matrices.Jenny receives $1270 per year from three different investments totaling $20,000. One of the investments pays 
the second one pays 8%, and the third one pays 5%. If the money invested at 8% is $1500 less than the amount invested at 5%, how much money has Jenny invested in the investment that pays 6%?
A. $1500 B. $10,000 C. $4500 D. $8500