Determine between which two consecutive whole numbers each square root lies.
A. 11 and 12
B. 14 and 15
C. 20 and 21
D. 15 and 16
Answer: D
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Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|x > 0} range: all real numbers intercept: (1, 0) symmetry: none B. function domain: all real numbers range: {y|y > 0} intercept: (1, 0) symmetry: none C. function domain: {x|x > 0} range: all real numbers intercept: (0, 1) symmetry: origin D. not a function
Find the vertices and foci of the hyperbola.
- 
= 1
A. Vertices: (13, 4), (-11, 4); Foci: (-11, 4), (13, 4) B. Vertices: (4, 10), (4, -8); Foci: (4, -14), (4, 16) C. Vertices: (10, 4), (-8, 4); Foci: (-14, 4), (16, 4) D. Vertices: (4, 13), (4, -11); Foci: (4, -11), (4, 13)
Suppliers of transistor radios will market 10,000 units when the unit price is $35 and 62,500 units when the unit price is $65. Determine the supply function if it is known to have the form
?
?
where x is the quantity supplied and p is the unit price in dollars.
?
A. 
B. 
C. 
D. 
E. 
Determine whether the following is an expression or an equation. If it is an expression, simplify if possible and evaluate it for x = 2. If it is an equation, solve it.
= 
A. Expression; x + 3; 5
B. Equation; 
C. Equation; 0
D. Equation; - 