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