Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x
A. 
Vertex: (- 1, - 1);
x-intercepts: (0, 0) and (-2, 0)
B. 
Vertex: (1, 1);
x-intercepts: (0, 0) and (2, 0)
C. 
Vertex: (1, - 1);
x-intercepts: (0, 0) and (2, 0)
D. 
Vertex: (- 1, 1);
x-intercepts: (0, 0) and (-2, 0)
Answer: A
Mathematics
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Which of the graphs shows the solution of the given initial value problem?
= 4x, y = 5 when x = -1
A. 
B. 
C. 
D. 
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For the given f(x), state the initial value C, the growth or decay factor a, and percent change R for each unit increase in x.f(x) = 5(1.06)x
A. C = 5.3; a = 0.06; R = 6% B. C = 5; a = 1.06; R = 6% C. C = 5.3; a = 1.06; R = 106% D. C = 5; a = 0.06; R = 106%
Mathematics
Multiply.(5x - 11y)2
A. 5x2 - 110xy + 121y2 B. 25x2 - 110xy + 121y2 C. 25x2 + 121y2 D. 5x2 + 121y2
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A. 
B. 
C. 
D. no solution
E. None of these
Mathematics