Find a numerical expression for the phrase and evaluate it.The product of 6 and -4, added to -7
A. 168
B. -31
C. 34
D. 4
Answer: B
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Find the radius of convergence of the power series.
A. 4 B. ? C. 2 D. 1
Write the number in the sentence in words.One of the statistics to come out of the election was that 45,826,498 people, or about half the population, cast votes.
A. forty-five billion, eight hundred twenty-six million, four hundred ninety-eight thousand B. forty-five million, eight hundred twenty-six thousand, four hundred ninety-eight C. forty-five thousand, eight hundred twenty-six hundred, four hundred, ninety-eight D. forty-five million, eight hundred thousand, twenty-six hundred, four hundred ninety-eight
Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 2.0, ? = 114 °B = 4.2, ? = 147 °
A. R = 0.5, ? = 137 ° B. R = 6.0, ? = 137 ° C. R = 6.0, ? = 133 ° D. R = 6.0, ? = 317 °
Find all the second order partial derivatives of the given function.f(x, y) = x ln (y - x)
A. 
= 
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= - 
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= 
= 
B. 
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= - 
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= 
= 
C. 
= 
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= - 
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= 
= - 
D. 
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= 
= 