Find the domain and the range for the function.
A. D: 
, R: 
B. D: All real numbers, R: All real numbers
C. D: 
, R: 
D. D: 
, R: 
Answer: B
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Find the perimeter.The local park district acquired lands to be used for a new dog park. How many yards of fencing are needed to enclose the dog park?
A. 397 yd B. 307 yd C. 453 yd D. 377 yd
Write the expression in the standard form a + bi.
A. -1 - i B. -1 + i C. 1 + i D. -1 + 2i
A surveyor stands at a point 1.5 miles away from the base of a radio tower. He measures the angle of elevation to the top of the tower to be 7.5°. Find the height of the tower to the nearest foot.
What will be an ideal response?
A cooling water tower is in need of a larger ball float to shut off the inlet water when the tank is full. The present float is 6-inches in diameter and exerts 16-pounds of force. Calculations show that a ball having twice the volume would provide the necessary force.What is the diameter of the new float? Round your answer to the nearest hundredth.
A. 7.56 in. B. 20.2 in. C. 8.49 in. D. 6 in. E. 12 in.