Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. function
B. not a function
Answer: A
Mathematics
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Graph the complex number.-4 - i
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to find the limit, if it exists.
A. Does not exist B. ? C. 9 D. 14.167
Mathematics
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. infinitely many solutions; dependent equations B. {(8, 0)} C. {(0, 0)} D. no solution or ?
Mathematics
Answer the following statement(s) true (T) or false (F)
Watson and Moritz (2002) found that middle school students were more successful with conditional probability tasks when asked for probabilities rather than frequencies.
Mathematics