Write the x- and y-intercepts of the graph.
A. x-intercept: 2; y-intercept: -8
B. x-intercept: -2; y-intercept: -8
C. x-intercept: -2; y-intercept: 8
D. x-intercept: 2; y-intercept: 8
Answer: A
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Determine the amplitude and range of the function and sketch its graph.y = 5 cos x
A. amplitude: 5; range: [0, 5]
B. amplitude: 5; range: [0, 5]
C. amplitude: 5; range: [-5, 5]
D. amplitude: 5; range: [-5, 5]
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 4 units to the left. This graph is then vertically shrunk by a factor of 
and reflected across the x-axis. Finally, the graph is shifted 7 units downward.
A. y = - 
(x - 4)2 - 7
B. y = 
(x - 4)2 - 7
C. y = - 
(x - 4)2 + 7
D. y = - 
(x + 4)2 - 7
Is the following correspondence a function?DomainRange
A. function B. not a function
A lunchroom has a machine with 5 kinds of sandwiches, a machine with 6 kinds of soda, a machine with both white and chocolate milk, and a machine with 3 kinds of ice cream. How many different lunches can be chosen? (Consider a lunch to be one sandwich, one drink, and one ice cream.) ?
A. 10,800 B. 240 C. 120 D. 180 E. 60