Use a vertical shift to graph the function.y = -3 sin 
- 2 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.For a hyperbolic mirror the two foci are 42 cm apart. The distance of the vertex from one focus is 6 cm and from the other focus is 36 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1
Multiply the monomials.x5 ? x6
A. x5 + x6 B. x11 C. x30 D. 2x11
Find the phase shift of the function.y = -3 cos (6x + ?)
A. 3? units to the right
B. 6? units to the right
C. 
units to the left
D. 
units to the left
The graph shows the actual percentage of U.S. households with a computer as a function of household income (the data points) and a logistic model of these data (the curve). The logistic model is
?
?
?
where x is the household income in thousands of dollars. According to the model, what percentage of extremely wealthy households had computers?
?
?
P = __________%
Fill in the blank(s) with the appropriate word(s).