Determine the direction in which the parabola opens, and the vertex.y2 - 4y - x - 1 = 0
A. Opens to the left; (5, -2)
B. Opens downward; (2, 5)
C. Opens downward; (-2, 5)
D. Opens to the right; (-5, 2)
Answer: D
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Evaluate the function.Given f(x) = (x + 3)2, find f(2).
A. 25 B. 1 C. 10 D. -25
Rewrite the expression with a rational exponent.
A. 121/4
B. 124
C. 
D. 
? 12
Use the graph of the relation to identify the domain and range.y = x3 + 1
A. domain: (-?, ?) range: (-?, ?) B. domain: (-1, ?) range: (-?, ?) C. domain: (1, ?) range: (-?, ?) D. domain: (-?, ?) range: (1, ?)
Answer as indicated in a complete sentence.A bird has a wing span of 68 inches. Express this measure in feet and inches.
A. A bird has a wing span of 5 feet 8 inches B. A bird has a wing span of 8 feet 5 inches C. A bird has a wing span of 5 feet 2 inches D. A bird has a wing span of 4 feet 20 inches