Find the square of the radical expression.
A. 160
B. 8.9
C. 80
D. 40
Answer: C
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Solve the problem.Use the following graph, which shows the sales of digital music players, in millions, at a national electronics retail store for the years 2005-2012. Use the graph to represent the set in roster form.
20052006200720082009201020112012YearThe set of years included in the graph in which digital music player sales were between 3 million and 5 million.
A. {2008, 2009, 2010} B. {2009, 2010} C. {2008, 2009} D. {2007, 2008, 2009}
Integrate the function f over the given region.f(x, y) = 
+ 
over the trapezoidal region bounded by the x-axis, y-axis, line 
and line 
A. 55 B. 115 C. 75 D. 45
Find a rectangular equation for the curve and describe the curve.x = 
, y = t; -4 ? t ? 4
A. x = 
; portion of a circle with radius 4
B. x = 
; circle with radius 4
C. y = x2 - 16; portion of a parabola
D. y = -x2 + 16; portion of a parabola
Find the differential of the function.
?
What will be an ideal response?