Solve the problem or provide an explanation.Graph y = -x2 + 5x + 6 and f(x) = 
together on your graphing calculator. State the domain of f(x) and explain the connection between the domain of f(x) and the graph of 
A. The domain of f(x) is (-?, ?). The domain of f(x) is the same as the domain of y = -x2 + 5x + 6.
B. The domain of f(x) is (-?, -1] ? [6, ?). The domain of f(x) is the set of all x-values for which the graph of 
is on or below the axis.
C. The domain of f(x) is ?. There is no connection between the domain of f(x) and the graph of 
D. The domain of f(x) is [-1, 6]. The domain of f(x) is the set of all x-values for which the graph of 
is on or above the x-axis.
Answer: D
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n = 2
A. 
B. 
C. 
D. 
Write the following in standard notation.6.17 × 107
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A. 
units to the left
B. 4 units up
C. 4 units down
D. 
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Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 30, c = 50
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