Find an equation for the graph.
A. y = 3 sin 2x
B. y = 2 sin 3x
C. y = 3 sin 
x
D. y = 2 sin 
x
Answer: A
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If 
, use the calculator to get the value of 
at
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Tell whether the statement is true or false. If false, give the reason.{x|x is a counting number greater than 37} = {37, 38, 39, . . .}
A. False; 37 is not a counting number. B. False; 37 is not greater than 37. C. False; 37 is less than any element in the set. D. True
Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = (x - 1)2 - 3 B. y = (x + 1)2 - 3 C. y = (x - 1)2 + 3 D. y = (x + 3)2 - 1
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b