Determine the quadratic function whose graph is given.
A. f(x) = x2 + 2x - 3
B. f(x) = -x2 + 2x - 3
C. f(x) = x2 + 2x + 3
D. f(x) = x2 - 2x - 3
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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For the given f(x) and g(x), evaluate the expression.f(x) = 
, g(x) = 2
;
(f - g)(x)
A. 0
B. 
C. 2
D. 3
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Determine whether the relation is a function.{(-6, 3), (-1, -4), (1, -8), (5, 9)}
A. Function B. Not a function
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Solve the problem.Suppose a cost-benefit model is given by 
where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 95% to the nearest dollar.
A. $3135 B. $3300 C. $19,000 D. $62,700
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