Provide an appropriate response.Find a quadratic function f having x-intercepts -9 and -2 and y-intercept 6.
A. f(x) = 
x2 - 
x + 6
B. f(x) = x2 + 11x + 18
C. f(x) = 
x2 + 
x + 6
D. f(x) = x2 + 5x + 6
Answer: C
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Solve the system to the nearest 0.1 for each variable by using a graphing calculator.4x = y - 15x = -4.0y + 5
A. x = 0.0; y = 1.2 B. x = 0.3; y = 1.3 C. x = 0.1; y = 1.5 D. x = -0.1; y = 0.9
Solve the problem.The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation $150. What percentage of trainees earn less than $950 a month?
A. 35.31% B. 40.82% C. 90.82% D. 15.87%
Solve the problem.The formula P = 0.68x2 - 0.047x + 3 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 27,198 fish?
A. 2002 B. 2004 C. 2005 D. 2003
Solve the inequality.
< 0
A. (6, ?) B. (-?, -8) C. (-?, -8) or (6, ?) D. (-8, 6)