Given the equation or other information for a parabola, find the matching description or graph.f(x) = ax2 + bx + c,a < 0; b2 - 4ac < 0
A. 
B. 
C. 
D. 
Answer: D
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Answer the following statement(s) true (T) or false (F)
The curriculum "Mathematics: Modeling our World" exemplifies the approach of teaching through problem-solving.
Solve the problem.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 75° B. 105° C. 35° D. 145°
Assume that a survey of 275 people is taken to determine the opinions of doctors, teachers, and lawyers on a proposed piece of legislation, with the results as shown below. A person is chosen at random from those surveyed. Refer to the table to find the probability the person favors the legislation. Number that favorNumber that opposeNumber with no opinionTotalDoctors713418123Teachers762310109Lawyers2014943Total1677137275
A. 
B. 
C. 
D. 
E. 
Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1