Perform the indicated operations.
- 
A. - 
x2y + 
B. 
x2y + 
C. 
x2y + 
D. - 
x2y + 
Answer: A
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Write an equation for a function that has a graph with the given characteristics.The shape of y = x3 is shifted 5.3 units to the right and then vertically shrunk by a factor of 0.6.
A. f(x) = 0.6x3 + 5.3 B. f(x) = 5.3(x - 0.6)3 C. f(x) = 0.6(x + 5.3)3 D. f(x) = 0.6(x - 5.3)3
Provide an appropriate response.The revenue R for a product is given by R(x) = 2500x - x2 where x is the number of units sold. Is this function continuous for x = 20?
What will be an ideal response?
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 5y5
B. 2y5
C. 2y5
D. 2y5
Solve the problem.An experiment in a wind tunnel generates cyclic waves. The following data is collected for 60 seconds: 
Let V represent the wind speed (velocity) in feet per second and let t represent the time in seconds. Write a sine equation that describes the wave.
A. V = 25 sin 
+ 50
B. V = 75 sin(60t - 30) + 25
C. V = 50 sin (60t - 30) + 25
D. V = 75 sin 
+ 25