Answer the question.What can you say about the graph of Ax + By = C if B is equal to zero?
What will be an ideal response?
The graph is a vertical line.
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A function f(x), a point x0, the limit of f(x) as x approaches x0, and a positive number ? is given. Find a number 
such that for all x, 0 < 
< ? ? 
< ?.f(x) = 
, L = 3, x0 = 6, and ? = 1
A. 16 B. 5 C. 4 D. 7
Solve the problem.A company determines that its cost (in dollars) of producing x machine parts is given by 
and that its revenue (in dollars) for selling x machine parts is given by 
. Write a system of inequalities that would represent the profit region for producing x machine parts. Then graph the system. 
A. C ? 0.2x2 + 2
R ? 12x - 0.2x2
B. C ? 0.2x2 + 2
R ? 12x - 0.2x2
C. C ? 0.2x2 + 2
R ? 12x - 0.2x2
D. C ? 0.2x2 + 2
R ? 12x - 0.2x2
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.6.193 + (-3.003)
round each to the nearest one
A. Estimate: 4; Actual: 3.19 B. Estimate: 3; Actual: 3.19 C. Estimate: 4; Actual: 3.2 D. Estimate: 3; Actual: 3.29
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(3, 5) and (5, 9)
A. y = 2x + 11 B. y = 2x + 5 C. y = 2x - 1 D. y = 4x - 1