Solve the problem.The angle of depression from a balloon 1010 feet above the ground to the ranger headquarters is 64°47'. Find the distance between the headquarters and a point on the ground directly below the balloon. Round your answer to the nearest foot.
A. 481 ft
B. 466 ft
C. 476 ft
D. 471 ft
Answer: C
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Determine whether Rolle's Theorem applies to the following functions on the given interval. If so, find the point(s) that are guaranteed to exist by Rolle's Theorem.f(x) = 10x2 + 100x; [-10, 0]
A. x = 5 B. x = -5 C. x = -10 D. x = -250
Solve the problem.A company knows that the unit cost C and the unit revenue R from the production and sale of x units are related by 
Find the rate of change of unit revenue when the unit cost is changing by 
and the unit revenue is $4000.
A. $238.30/unit B. $334.40/unit C. $280.00/unit D. $430.50/unit
Use the graph of the function to estimate the x-intercepts.g(x) = -8x2 + 18x + 5
A. x = -0.25, x = 2.5 B. x = 5, x = 18 C. x = -2.5, x = 0.25 D. x = 0.25, x = 2.5
Solve for t or y, as appropriate.ln(y - 31) = 2x
A. ln(2x) + 31
B. 
C. 2x + 31
D. e2x + 31