Use the bar graph to answer the question.The bar graph illustrates the number of minutes of cell phone usage during selected months. How many more minutes were used during the month of April than during March?
A. 12
B. 17
C. 3
D. 1
Answer: D
Mathematics
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Evaluate.Find (fg)(2) when f(x) = x - 5 and g(x) = -5x2 + 10x + 7.
A. -21 B. 49 C. -93 D. -91
Mathematics
Identify the conic section represented by the equation.x2 + y2 + 10x - 10y + 46 = 0
A. circle B. hyperbola C. parabola D. ellipse
Mathematics
Find the domain of the function.f(x) = x2 + 6
A. all real numbers, or (-?, ?) B. {x|x ? -6}, or (-?, -6) ? (-6, ?) C. {x|x ? -6}, or [-6, ?) D. {x|x > -6}, or (-6, ?)
Mathematics
Simplify by combining like terms.7.1 - 6.8x - 11.6x + 9.0
A. -2.3x B. -18.4x + 16.1 C. -19.4x + 16.1 D. -18.4x - 1.9
Mathematics