Evaluate the improper integral.
A. 120
B. 80
C. 100
D. 60
Answer: A
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Solve the problem.Use the pattern of tiles to find the sum of 1 + 3 + 5 + . . . + 501
A. 62,500 B. 63,000 C. 63,001
Solve the problem.At a local grocery store the demand for ground beef is approximately 50 pounds per week when the price per pound is $4, but is only 40 pounds per week when the price rises to $5.50 per pound. Assuming a linear relationship between the demand x and the price per pound p, express the price as a function of demand. Use this model to predict the demand if the price rises to $5.80 per pound.
A. p = 0.15x + 11.5; 38 pounds B. p = 11.5x + -0.15; 40 pounds C. p = - 0.15x + 11.5; 38 pounds D. p = - 0.15x - 11.5; 40 pounds
Factor.6x3 + 17x2 + 12x
A. x(6x + 1)(x + 12) B. x(3x - 4)(2x - 3) C. x(3x + 4)(2x + 3) D. (6x2 + 4)(x + 3)
Solve the equation and check.
x = __________
Fill in the blank(s) with the appropriate word(s).