Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
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B. 
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D. 
Answer: A
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Decide whether the statement translates into an expression or an equation.50% of a number is 9.
A. Expression B. Equation
Which set of ordered pairs is a function? For each function, name the set of inputs (domain) and the set of outputs (range).
a. (7, 9), (7, 11), (7, 13) b. (7, 9), (9, 11), (11, 13) A) b is a function. Domain is {7, 9, 11}, range is {9, 11, 13}. B) a is a function. Domain is {7}, range is {9, 11, 13}. C) a is a function. Domain is {7}, range is {9, 11, 13}. b is a function. Domain is {7, 9, 11}, range is {9, 11, 13}. D) b is a function. Domain is {7}, range is {9, 11, 13}. a is a function. Domain is {7, 9, 11}, range is {9, 11, 13}. E) a and b are not functions.
A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find tan ?.
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B. 
C. 
D. 
Match the inequality with its graph.y < 2x
A. 
B. 
C. 
D. 