Find the domain of the rational function.h(x) = 
A. {x|x ? -5, x ? 5}
B. {x|x ? 0, x ? 25}
C. {x|x ? -5, x ? 5, x ? -8}
D. all real numbers
Answer: A
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Two cities in the western hemisphere lie approximately on the same meridian. City A has latitude of 15.5° N and City B, 60.5° N. Find the distance between these two cities. (The radius of the earth is 3960 miles.)
(a) 3,960 miles (b) 3,110 miles (c) 3,250 miles (d) 2,110 miles (e) 5,280 miles
Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 2x3 - 3x2 - 12x
A. local minimum: (-2, 8)
local maximum: (0, 0)
inflection point: (-1, 4)
B. no extrema
inflection point: (0, 0)
C. local minimum: (2, -20)
local maximum: (-1, 7)
inflection point: 
D. local minimum: (3, -30)
no inflection point
Decide whether the statement is true or false.-15 is a solution of -8x = 125.
A. True B. False
Answer the question.How can the graph of f(x) = -
be obtained from the graph of 
?
A. Shift it vertically 7 units upward. Reflect it across the x-axis. B. Shift it horizontally 7 units to the right. Reflect it across the x-axis. C. Shift it horizontally 7 units to the left. Reflect it across the y-axis. D. Shift it horizontally 7 units to the left. Reflect it across the x-axis.