Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. y ? -2x + 4
y ? - 
x + 2
B. y ? 2x + 4
y ? 
x + 2
C. y ? 2x + 4
y ? 
x + 2
D. y ? -2x + 4
y ? - 
x + 2
Answer: A
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Solve the problem.The amount of particulate matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for n = 0 and 
(Round to the nearest whole number.)
A. 1000, 63 B. 500, 63 C. 500, 16 D. 500, 4000
For the given equation, do the following:(a) Simplify the expression on each side of the equal sign. (b) See if 5 is a solution to both the given equation and the equation formed in part (a).x2 + 4x2 = 17x + 8x
A. (a) 5x2 = 30x; (b) 5 only checks in the given equation. B. (a) 5x2 = 25x; (b) 5 does not check in either equation. C. (a) 4x2 = 25x; (b) 5 only checks in the given equation. D. (a) 5x2 = 25x; (b) 5 checks in both equations.
Solve.A nuclear cooling tower cross section is a hyperbola having a diameter of 58 ft at the center. The distance between the two foci is 96 ft. What is the equation for the hyperbola?
A. 
- 
= 1
B. 
- 
= 5
C. 
- 
= 1
D. 
- 
= 1
What is the interest earned on $20,000 for five years, at an interest rate of 3
% compounded continuously?
What will be an ideal response?