Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x2 + 2x - 3; (-5, 5)
A. local maximum at (1, -4)
B. local minimum at (-1, -4)
C. local maximum at (-1, 4)
D. local minimum at (1, 4)
Answer: B
Mathematics
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Determine whether the point is inside or outside the Jordan curve.Point A
A. Inside B. Outside
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Use an identity to write the expression as a single trigonometric function or as a single number.sin 22.5° cos 22.5°
A. 
B. 
C. 
D. 
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Solve the problem.The following table gives the outside temperature in degrees Fahrenheit on a winter day in Death Valley, California. 
Calculate the average rate of change in temperature between 8:00 am and 11:00 am. Round your answer to two decimal places when appropriate.
A. 4.33°F B. 3.26°F C. 4.64°F D. 5.36°F
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Is the relation a function?x = -(y + 1)2 + 8
A. Yes B. No
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