Solve the problem.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by 
where t is the number of years since 2010. What is the slope of the graph of this function? Write a sentence interpreting this value.
A. 35; The average consumption of beef in this town is increasing by 35 pounds per person per year.
B. 35; The average consumption of beef in this town is decreasing by 35 pounds per person per year.
C. -0.4; The average consumption of beef in this town is decreasing by 0.4 pounds per person per year.
D. -0.4; The average consumption of beef in this town is increasing by 0.4 pounds per person per year.
Answer: C
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Provide an appropriate response.What does the graph of the equation 
look like?
A. A plane B. A cylinder C. A line D. A sphere
Provide an appropriate response.Simplify: 2
+ x
A. -11x + 20 B. -9x + 4 C. -10x + 28 D. -9x + 28 E. 8x + 28
Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equationax2 + bx + c = 0?
A. The equation has no real solutions. B. The equation has one irrational solution. C. The equation has two rational solutions. D. The equation has one rational solution.
Solve the problem.In one year, a baseball player got 159 hits in 509 times at bat. What was his batting average? Give decimal notation to the nearest thousandth.
A. 0.315 B. 0.292 C. 0.312 D. 0.322