Graph the solution of the system.2x + y ? 4  x - 1 ? 0

A.

B.

C.

D.


Answer: D

Mathematics

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Identify the specified numbers.The real numbers in the following list:7, , -13, 0, 

A. 7, -13, 0, 
B. 7, -13, 0, 
C. 7, , -13, 0, 
D. 7, -13, 0, 

Mathematics

Determine the coordinates of the focus and the equation of the directrix of the parabola.y2 = -4x

A. F(0, -1), y = 1 B. F(1, 0), x = -1 C. F(-1, 0), y = 1 D. F(-1, 0), x = 1

Mathematics

Points at which the graphs of r = f(?) and r = g(?) intersect must be determined carefully. Solving f(?) = g(?) identifies some - but perhaps not all - intersection points. The reason is that the curves may pass through the same point for different values of ?. Use analytical methods and a graphing utility to find the intersection points of the given curves for 0 ? ? ? 2?.r = 3, r = 3 + sin ?

A. (0, 0), (0, 3), (?, 3) B. (0, 0), (3, 0), (3, ?) C. (3, 0), (3, ?) D. (0, 3), (?, 3)

Mathematics

Use a table and/or a graph to decide whether the limit exists. If it exists, find its value. 

A. Does not exist
B.
C. 0
D. -1

Mathematics