Use the quadratic formula to solve the equation. (All solutions are real numbers.)3x(x + 1) = 2
A. {
, 
}
B. 
C. 
D. {
, 
}
Answer: D
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Find the domain and range for the indicated function.f(x) = 
,
g(x) = 
;
f ? g
A. D: -? < x ? 11 and 11 ? x < ?
R: y ? 0
B. D: -? < x < ?
R: y ? 0
C. D: -? < x ? 
and 
? x < ?
R: y ? 0
D. D: -? < x ? 
and 
? x < ?
R: -? < y < ?
Provide an appropriate response.A rectangle has a length of 
and a width of 
. What is the best estimate for its area?
A. 110 B. 132 C. 120 D. 121
Find the slope of the line. Interpret the slope in terms of rise and run.
A. 1; The graph rises 1 unit for each unit of run. B. 2; The graph rises 2 units for each unit of run. C. -1; The graph falls 1 unit for each unit of run. D. -2; The graph falls 2 units for each unit of run.
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083