If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.III, 
A. Negative
B. Positive
Answer: A
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Solve the problem.The regular selling price of an item is $208. For a special year-end sale the price is marked down 
Find the discount sale price.
A. $173.33 B. $166.40 C. $249.60 D. $41.60
Perform the indicated operations.(4k2 + 2k - 5) - (4k2 - 3k) + (2k2 + 5k - 4)
A. 2k2 + 10k - 9 B. 10k2 + 10k - 1 C. 10k2 + 10k - 9 D. 2k2 + 10k - 1
For the following problem, (i) graph f and g in the same coordinate system; (ii) solve f(x) = g(x) algebraically to two decimal places; (iii) solve f(x) > g(x) using parts i and ii; (iv) solve f(x) < g(x) using parts i and ii.f(x) = -0.8x(x - 8), g(x) = 0.4x + 3.2; 0 ? x ? 10 
A. (i) f is the curve, g is the line 
(ii) 0.58, 6.92
(iii) 0.58 < x < 6.92
(iv) 0 ? x < 0.58 or 6.92 < x ? 8
B. (i) f is the curve, g is the line 
(ii) 0.61, 7.98
(iii) 0.61 < x < 7.98
(iv) 0 ? x < 0.61 or 7.98 < x ? 8
C. (i) f is the curve, g is the line 
(ii) 0.58, 7.98
(iii) 0.58 < x < 7.98
(iv) 0 ? x < 0.58 or 7.98 < x ? 8
D. (i) f is the curve, g is the line 
(ii) 0.61, 7.02
(iii) 0.61 < x < 7.02
(iv) 0 ? x < 0.61 or 7.02 < x ? 8
Perform the indicated operation, if possible.
- 
A. 
B. 
C. 
D. 