Factor completely.15x2 - 19xy + 6y2
A. (3x - 2y)(5x - 3y)
B. (15x + 2y)(x + 3y)
C. (3x + 2y)(5x + 3y)
D. prime
Answer: A
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Evaluate the iterated integral.
A. - 37 B. - 888 C. - 148 D. - 222
Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = x5 ln (1 - x)3
A. x6 + 
x7 + 
x8 + 
x9 + ...
B. -3x6 - 
x7 - x8 - 
x9 - ...
C. -3x6 - 
x7 - 
x8 - 
x9 - ...
D. 3x5 - 
x10 - x15 + 
x20 + ...
Provide an appropriate response.Cody stopped by the grocery store on the way home from school. He had nine dollars in his wallet. He selected the following items: a can of green beans at $.39; a jar of dill pickles at $2.29; three pounds of hamburger at $4.39; a head of lettuce at $.95; and a bottle of dressing at $1.49. First, he estimated the cost of the groceries to the nearest dollar then decided to also estimate to the nearest dime. Give both estimates and decide which method was more accurate for this situation.
A. Dollar: $9.00; dime: $9.60; either would be fine. B. Dollar: $8.00; dime: $9.60; estimation to the nearest dime. C. Dollar: $9.00; dime: $9.10; either would be fine. D. Dollar: $9.00; dime: $9.60; estimation to the nearest dime.
Solve the problem.The table shows the number of new cases (in thousands) of a certain disease diagnosed in a country in various years. 
Let n = f(t) be the number of new cases (in thousands) of the disease diagnosed at t years since 2010. Suppose that you wish to model f using a quadratic equation. What is the vertex of the model? What does it mean in this situation?
A. (7, 45.7); the largest number of new cases diagnosed was 45,700 in the year 2017 B. (0, 49.4); the largest number of new cases diagnosed was 49,400 in the year 2010 C. (3, 39.3); the smallest number of new cases diagnosed was 39,300 in the year 2013 D. (0, 39.3); the smallest number of new cases diagnosed was 39,300 in the year 2013