Graph the function.y = 3 sin x + sin 3x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Add or subtract as indicated.(21x + 10xy - 11y) - (18x - 23xy - 17y)
A. 3x + 33xy + 6y B. 11x - 3xy + 28 C. 42xy D. 3x - 33xy - 28y
Mathematics
Graph the polar equation for ? in [0°, 360°).r = 5 sin 2?
A. 
B. 
C. 
D. 
Mathematics
Solve.Find the area of a rectangle that measures 4 inches by 7 feet. Give the area in square inches and in square feet.
A. 336 sq in.; 2
sq ft
B. 336 sq in.; 1
sq ft
C. 264 sq in.; 1
sq ft
D. 2
sq in.; 336 sq ft
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. 10 times the difference of a number and 8 yields 30.
A. 10(x + 8) = 30 B. 10(x - 8) = 30 C. 10x - 8 = 30 D. 30(8 - x) = 10
Mathematics