Graph the circle.x2 + (y - 2)2 = 16
A. 
B. 
C. 
D. 
Answer: B
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Find the largest open interval where the function is changing as requested.Decreasing y = 
+ 7
A. (0, ?) B. (-7, 0) C. (7, ?) D. (-7, 7)
Solve the problem.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a planet has a perihelion of 397.4 million miles and a mean distance of 399 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact 
A. Estimate: 49; exact: 44.66 B. Estimate: 49; exact: 53.66 C. Estimate: 49; exact: 54.66 D. Estimate: 50; exact: 55.66
Evaluate. 83
A. 512 B. 6561 C. 343 D. 24