Approximate the coordinates of each turning point by graphing f(x) in the standard viewing rectangle. Round to the nearest hundredth, if necessary.f(x) = 
(x3 - 3x2 - 45x + 5)
A. (-3, 3.44) and (5, -6.8)
B. (-5, 6.8) and (3, -3.44)
C. (-3, 3.04) and (5, -7.2)
D. (-5, 7.2) and (3, -3.04)
Answer: A
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Solve.For a hyperbolic mirror the two foci are 44 cm apart. The distance of the vertex from one focus is 10 cm and from the other focus is 34 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
Solve the problem.A couple have bought a new house and are comparing quotes from two moving companies for moving their furniture. Company A charges $80 for the truck and $50 per hour for the movers. Company B charges $60 for the truck and $55 per hour for the movers. Create a cost equation for each company where y is the total cost and x is the number of hours of labor. Write a system of equations.
A. y = 80x + 50 y = 60x + 55 B. 50y = x + 80 55y = x + 60 C. 50y = 80x 55y = 60x D. y = 50x + 80 y = 55x + 60
Solve.
+ 
= 
A. 
B. 
C. 
D. ?
Solve.Express the perimeter of the rectangle as a fully simplified rational expression.
A. 
in.
B. 6x in.
C. 6 in.
D. 12 in.