Graph the function.y = 4 sin x + 2 cos 2x
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Points A and B are on opposite sides of a lake. A point C is 96.3 meters from A. The measure of angle BAC is 70°10', and the measure of angle ACB is determined to be 39°20'. Find the distance between points A and B (to the nearest meter).
A. 31 m B. 65 m C. 33 m D. 63 m
Find the sum: 3 + j4 and 4 - j6
a. 1 + j10 b. 7 + j10 c. 1 - j2 d. 7 - j2 e. 17 + j
Find the perimeter of the triangle.a scalene triangle whose sides are 7.5 cm, 9.7 cm, and 12.5 cm
A. 29.7 cm B. 28.7 cm C. 30.7 cm D. 46.875 cm
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use the equation of the least squares line to predict the number of products sold if the cost of advertising is $9000. 
A. 25,165.8 products sold B. 87.61 products sold C. 77.91 products sold D. 80.91 products sold