The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
+ 
= 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: D
Mathematics
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Find the length of the indicated portion of the curve.r(t) = (1 + 3t)i + (1 + 7t)j + (5 - 5t)k, -1 ? t ? 0
A. 
B. 
C. 
D. 
Mathematics
Determine whether or not the first number is divisible by the second number42,020; 4
A. No B. Yes
Mathematics
Evaluate the integral.
A. 
? cos 10
B. 
? cos 10
C. 
?2 cos 10
D. 
?2 cos 10
Mathematics
Solve the problem.A ball is dropped from 346 feet. If it rebounds 1/3 of the height from which it falls every time it hits the ground, how far will it have traveled in a downward direction when it hits the ground for the fifth time? Round your answer to the nearest tenth of a foot.
A. 522.0 feet B. 527.0 feet C. 510.5 feet D. 516.9 feet
Mathematics