Solve the problem.Given that the polar equation r = a(1 - e2)/(1 + e cos ?) models the orbits of planets about the sun, estimate the closest approach of a planet for which  and  to the sun.

A. 9 astronomical units
B. 33 astronomical units
C. 17 astronomical units
D. 23 astronomical units


Answer: C

Mathematics

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Provide an appropriate response.Give an example of a function f(x) that is continuous for all values of x except  where it has a nonremovable discontinuity. Explain how you know that f is discontinuous at  and why the discontinuity is nonremovable.

What will be an ideal response?

Mathematics

Graph the equation. -  = 1

A.

B.

C.

D.

Mathematics

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.

A.
B.
C. 6y(y + 3)  
D.

Mathematics

Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 2 + 3

A. 5
B. 5
C. 6
D. 5

Mathematics