Add.(-2mn + 9mn2 - 6m2n2) + 
A. 3mn + 9mn2 + 5m2n + 5m2n2
B. 5m2n2 + 5m2n + 9mn2 - 7mn
C. -7mn + 14m2n + 5m2n2
D. 12m2n2
Answer: B
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A. 0
B. 
C. 
D. 
Decide whether or not the function is continuous in the indicated x-interval.-4 to 2
A. Continuous B. Not continuous
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is vertically stretched by a factor of 3, and the resulting graph is reflected across the x-axis.
A. f(x) = 3x2 B. f(x) = 3(x - 3)x2 C. f(x) = -3x2 D. f(x) = (x - 3)2
Solve the problem.Find three consecutive integers such that the sum of the squares of the smaller two is equal to the square of the largest.
A. -1, 0, 1 B. 3, 4, 5 C. -3, -4, -5 D. -1, 0, 1 or 3, 4, 5