Name the conic or limiting form represented by the given equation.x2 + y2 - 6x + 2y + 10 = 81
A. Circle
B. Point
C. Empty set
D. Ellipse
Answer: A
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Find the domain of the function.f(x) = log9(2x + 4)
A. 
B. 
C. 
D. (0, ?)
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Solve.The shadow cast by an object on a sunny day varies directly as the height of the object. If a person 63 inches tall casts a shadow 62 inches long, how tall is a tree which casts a shadow 49 feet in length?
A. 49.79 ft B. 62.5 ft C. 48.22 ft D. 79.71 ft
Find the slope of the line.
A. -4 B. 4 C. 1 D. -1