Find the points of inflection.f(x) = 7x3 + 2x + 7
A. (2, 0)
B. (7, 0)
C. (0, 7)
D. (0, 2)
Answer: C
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Evaluate the definite integral.
A. 12 B. 7 C. -12 D. 9
A child has an enormous jar in which she has been saving all of her spare change. In order to determine exactly how much money she has in the jar, she dumps all of the coins on the floor and counts them. Under the watchful eye of her mother, she counts 180 pennies, 120 nickels, 100 dimes, and 80 quarters.The "80 quarters in the jar" describes
A. a strata. B. a sample. C. a parameter. D. a statistic. E. none of these
Perform the indicated operations. Round to the nearest tenth.
A. 9.8 B. 16.4 C. 8.3 D. 7.1
Provide an appropriate response.Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation. 
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 