Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = x2 + 2x + 6
A. Increasing: (x > 1), Decreasing: (x < 1)
B. Increasing: (x > -1), Decreasing: (x < -1)
C. Increasing: (x < 1), Decreasing: (x > 1)
D. Increasing: (x < -1), Decreasing: (x > -1)
Answer: B
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Provide an appropriate response.How many one-to-one correspondences are there between the sets {x, y, z, u, v} and {2, 4, 6, 7, 9} if in each correspondence x must correspond to 7 and z to 6?
A. 120 B. 16 C. 6 D. 21
Provide an appropriate response.Use the equation (Dividend) = (Divisor)(Quotient) + (Remainder) to complete the following. 
= x3 - 2x2 + 4x - 8 + 
implies x4 - 17 = (x + 2) x 
+ 
.
A. x3 - 2x2 + 4x - 8; 
B. x3 - 2x2 + 4x - 8; 1
C. x3 - 2x2 + 4x - 8; 2
D. x3 - 2x2 + 4x - 8; x + 2
Answer the question.Which one of the equations below matches the graph?
A. y = 3 cos
B. y = 3 sin
C. y = -3 sin
D. y = 3 cos
Find the slope of the line through the given points.(-1, -6), (-2, -2)
A. - 
B. 
C. 4
D. - 4