Find the area of the parallelogram.P1 (0, 0, 0), P2 (4, -2, 1), P3 (-1, 4, -1)
A. 
B. 
C. 3
D. 
Answer: A
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Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.Two parabolas; four points
What will be an ideal response?
Solve the problem.When making a telephone call using a calling card, a call lasting 6 minutes cost $2.80. A call lasting 13 minutes cost $5.60. Let f(x) be the cost of making a call lasting x minutes using a calling card. Write a linear function that models the cost of making a call lasting x minutes.
A. f(x) = 0.4x + 0.4
B. f(x) = -0.4x + 5.2
C. f(x) = 
x - 
D. f(x) = 0.4x - 7.4
Perform the indicated operation(s). Simplify if possible.
+ 
A. 
B. 
C. 
D. 70c + 3z2
Use a graphing calculator to graph the equations 
and find the solutions of the system.
A. 
B. 
C. 
D. 
E. 
