Estimate the product by first rounding the factors as indicated.809 × 406 (nearest hundred)
A. 32,000
B. 32,000,000
C. 3200
D. 320,000
Answer: D
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Find the derivative.y = 2 - 3x3
A. -6x2 B. -9x C. -9x2 D. 2 - 9x2
Solve the problem.For what type of computation are the actuarial method and the rule of 78s used? Which technique requires the use of an APR table?
What will be an ideal response?
Solve the problem. Round your answer, if appropriate.In a certain memory experiment, subject A is able to memorize words at a rate given by 
In the same memory experiment, subject B is able to memorize at the rate given by 
How many more words does subject B memorize from t = 0 to t = 15 (during the first 15 minutes)?
A. 19 B. -10 C. 12 D. -3
Find the opposite of the polynomial.-7a3 + 7a2 + 7a - 4
A. -7a3 + 7a2 + 7a + 4 B. 7a3 - 7a2 - 7a + 4 C. 7a3 + 7a2 + 7a - 4 D. -7a3 - 7a2 - 7a - 4