Use point plotting to graph the plane curve described by the given parametric equations.x = 2t - 1, y = t2 + 4; -4 ? t ? 4
A. 
B. 
C. 
D. 
Answer: B
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Which of the following is not true, when drawing, measuring, or classifying angles? ?
A. ?An angle includes two rays that share an endpoint. B. ?A protractor is used to measure lengths of lines but not angles. C. ?A degree measurement of a protractor measures angles from 0? to 180?. D. ?A protractor may do some of the same things as a ruler. E. ?There are 360? in a full circular rotation.
Identify the type of sampling described by the proposal.A travel industry researcher interviews all of the passengers on five randomly selected cruises.
A. cluster sample B. systematic sample C. stratified sample D. convenience sample E. simple random sample
Solve and graph the inequality. Give answer in interval notation.4x + 9 ? 3x + 13
A. (-?, 4]
B. [4, ?)
C. (-?, 4)
D. (4, ?)
Sketch the graph of the power function by hand, using a calculator only to evaluate y-values for your chosen x-values. On the same axes, graph y = x2 using a dotted line for comparison. In each case, x ? 0.f(x) = x2.3
A. 
B. 
C. 
D. 