Evaluate the expression, given x = -2, y = 3, and a = -4.(8x - 3y)(-2a)
A. 240
B. 200
C. -200
D. 160
Answer: C
Mathematics
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Solve the problem.The area A = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 20 ft2/ft B. 20? ft2/ft C. 100? ft2/ft D. 10? ft2/ft
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Solve the problem.Evaluate sin-1 
.
A. - 
B. 
C. 0
D. Undefined
Mathematics
Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Mathematics
Give a verbal representation for the given function. f(x) = 3x2. Let y = f(x).
A. To obtain y: Square x, then add 3 to the result. B. To obtain y: Square x, then multiply the result by 3. C. To obtain y: Multiply x by 3, then square the result. D. To obtain y: Add 3 to x, then square the result.
Mathematics