Graph the equation. Give the domain and range. Identify whether the equation is a function.3y = 
A. 
(-?, -4] ? [4, ?); [0, ?); not a function
B. 
(-?, -4] ? [4, ?); [0, ?); function
C. 
(-?, -4] ? [4, ?); (-?, 0]; function
D. 
(-?, -4] ? [4, ?); (-?, 0]; not a function
Answer: B
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Use the data set {d1, d2, d3, ..., d255} consisting of 255 numbers to answer the following question(s).After sorting the data set (in increasing order from left to right), the first quartile is
A. the number in the 64th position. B. the average of the numbers in the 64th and 65th positions. C. the average of the numbers in the 63rd and 64th positions. D. the number in the 65th position. E. none of these
Divide and simplify. 
A. 5x4
B. x
C. 5x
D. 5x
Convert as indicated.486 in. to yards
A. 162 yd
B. 13
yd
C. 1458 yd
D. 40
yd
Simplify the expression to either 1 or -1.csc (-x) sin (-x)
A. 1 B. -1