Draw a graph to match the description. Answers will vary.f(x) is decreasing and concave down on (-?, 10); f(x) is decreasing and concave up on (10, ?). 
What will be an ideal response?
Answers will vary.
Mathematics
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Solve the problem.Dolores bought a record album that regularly sold for $6.99 at a 40% discount. What was the amount of the discount? Round to the nearest cent.
A. $2.40 B. $2.84 C. $2.76 D. $2.80
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Solve the systems of equations using the addition method.
A. (-6, -5) B. (4, -7) C. (-7, -4) D. No solution
Mathematics
Use cross products to determine whether the proportion is true or false.
= 
A. True B. False
Mathematics
Solve the equation by completing the square.-x2 + 2x = -2
A. {1 + 
, 1 - 
}
B. {1, 3}
C. 
D. {-1 + 
, -1 - 
}
Mathematics