The shape of the window shown below is a combination of a rectangle and a semicircle. Find the equation of the circle of which the semicircle is a part. Express the equation in standard form.
?
?
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What will be an ideal response?
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Provide an appropriate response.As x moves from left to right though the point c = 3, is the graph of f(x) = x + 
rising, or is it falling? Give reasons for your answer.
What will be an ideal response?
Solve the application.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Give an exact answer, then approximate the length to the nearest tenth of a foot.
A. 
ft ? 4.8 ft
B. 
ft = 138.5 ft
C. 
ft ? 16.6 ft
D. 
ft ? 9.7 ft
Find the center and radius of the circle. x² - y² -2x = -1
What will be an ideal response?
Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 12, ? = 180°
A. v = -12i - 12j B. v = -12j C. v = 12j D. v = -12i