Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: B
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The following table shows the length L, in inches, of a certain type of fish when it is ?t years old.
?
258101315
9.314.718.418.921.321.96?
Based on the table, what do you expect is the limiting value of L?
What will be an ideal response?
Find the eccentricity of the ellipse.x2 + 2y2 = 6
A. 
B. 
C. 
D. 
Draw Venn diagrams for the relationship
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the problem.The quadratic function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1936, 51 years old B. 1953, 36 years old C. 1964, 21.1 years old D. 1964, 51 years old