Find the average rate of change for the function between the given values.f(x) = x2 + 3x; from 2 to 8
A. 13
B. 
C. 11
D. 
Answer: A
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Provide an appropriate response.Which item is not related to the golden ratio?
A. the golden rectangle B. Fibonacci sequences C. logarithmic spiral D. the golden pitch
Solve the problem.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 10.1 points per thousand dollars B. 100 points per thousand dollars C. 1 point(s) per thousand dollars D. 1000 points per thousand dollars
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
The table shows, for some particular year, a listing of several income levels and, for each level, the proportion of the population in the level and the probability that a person in that level bought a new car during the year. Given that one of the people who bought a new car during that year is randomly selected, find the probability that that person was in the indicated income category. Round your answer to the nearest hundredth. 
$50,000 and over
A. .24 B. .28 C. .22 D. .25