Find the value of the expression.
A. 
B. 
C. 
D. 
Answer: D
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Simplify.6 + (-8) - (-1) - 6
A. -7 B. 5 C. 3 D. 19
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = -14.2x2 + 1.93x + 8.73. Round to two decimal places if needed.
A. (-1.07, 0), (1.19, 0) B. (-0.72, 0), (0.85, 0) C. (-0.85, 0), (0.72, 0) D. No x-intercepts
Explain how the graph of f can be obtained from the graph of y = 
or y = 
. f(x) = 
A. Stretch the graph of y = 
vertically by a factor of 6 and shift to the left 16 units.
B. Stretch the graph of y = 
vertically by a factor of 6, reflect across the x-axis, and shift to the right 16 units.
C. Stretch the graph of y = 
vertically by a factor of 6 and shift to the right 16 units.
D. Stretch the graph of y = 
vertically by a factor of 6, reflect across the x-axis, and shift to the left 16 units.
Simplify the expression.
? 
A. 9
B. 3
C. 3
D. 