Solve the problem. Round your answer to the nearest hundredth.Determine the height of a tower if it casts a shadow 42 ft long on level ground when the angle of elevation of the sun is 20°.
A. 39.47 ft
B. 122.80 ft
C. 15.29 ft
D. 44.70 ft
Answer: C
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Find the indicated term.4, 12, 36, . . . ; the 10th term
A. 708,588 B. 236,196 C. 78,732 D. 19,683
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-2 - (-11)
A. 9 B. -13 C. 13 D. -9
Provide an appropriate response.John has been a teacher at West Side High School for the past 12 years. His salary during that time can be modeled by the linear equation y = 800x + 33,000 where x is the number of years since he began teaching at West Side and y is his salary in dollars. Explain what the slope, 800, represents in this context.
What will be an ideal response?
Use a graphing calculator to determine approximately the intervals on which the function is increasing, and on which f is decreasing.
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