Find the derivative of the function using the definition of derivative.f(x) = 3x2 - 4x
A. f '(x) = 3x - 4
B. f '(x) = 2x- 4
C. f '(x) = 6x - 4
D. f '(x) = 6x
Answer: C
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Use the range rule of thumb to approximate the standard deviation.15, 42, 53, 7, 9, 12, 14, 28, 47
A. 11.5 B. 29.1 C. 16.6 D. 15.8
Solve the radical equation.
= -2
A. 
B. 
C. 
D. 
Solve the problem.The average price for a box of crackers from 2000 to 2010 can be approximated by 
where x is the year. Evaluate P(2008) and round to the nearest hundredth. Interpret the result.
A. P(2008) = 2.69; the average price of a box of crackers in 2008 was $2.69. B. P(2008) = 2.69; the average price of a box of crackers in 2008 was $2.69 more than in 2000. C. P(2008) = 1.95; the average price of a box of crackers in 2008 was $1.95. D. P(2008) = 2.78; the average price of a box of crackers in 2008 was $2.78.
Tell which integer corresponds to the situation.The team scored 3 points.
A. 3 B. -3