Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 2x + 2
A. (-1, 1) ; x = -1
B. (-1, -1) ; x = -1
C. (1, 3) ; x = 1
D. (2, 2) ; x = 2
Answer: C
Mathematics
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Find the area of the shaded region in the figure. Round results to the nearest unit.Find the shaded area in the figure.
A. 27.9 cm2 B. 55.8 cm2 C. 158 cm2 D. Not enough information.
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Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B. 
C. 
D.
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Find the standard equation of the hyperbola.Vertices at (0, ±4), asymptotes at y = ± 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = -(x + 1)2 + 4
A. vertex: (1, - 4)
axis of symmetry: x = 1
B. vertex: (- 1, 4)
axis of symmetry: x = - 1
C. vertex: (1, 4)
axis of symmetry: x = 1
D. vertex: (- 1, 4)
axis of symmetry: x = - 1
Mathematics