Find the vertex of the parabola.y = 4x2 + 8x + 6
A. (-2, 1)
B. (-1, 2)
C. (1, -2)
D. (2, -1)
Answer: B
Mathematics
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Use a graphing calculator to graph the given function. Be sure to set the graphic window parameters to the given values.y = 0.6
xwindow dimensions [xmin, xmax, ymin, ymax] = [-2, 2, -1, 9]x-scale (xscl) = 1; y-scale (yscl) = 1
A. 
B. 
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D. 
Mathematics
Round the number to the place value indicated.21,629,336
A. 21,629,000 B. 21,000,000 C. 22,000,000 D. 21,700,000
Mathematics
Find the indicated probability.If P(A) = 0.4, P(B) = 0.5, and P(A or B) = 0.7, find P(A and B).
A. P(A and B) = 0.2 B. P(A and B) = 0.7 C. P(A and B) = 0.1 D. P(A and B) = 0.9
Mathematics
For the given functions f and g, find the indicated value.f(x) = x2 + 5x, g(x) = x + 3(g ? f)(2)
A. 17 B. 19 C. 70 D. 50
Mathematics