Solve the problem.If u = < -5, 7 > and v = < -3, 6 >, and w = < -11, 2 >; evaluate u ? (v - w).
A. -8
B. 15
C. -17
D. -12
Answer: D
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For the given rectangular equation, write an equivalent polar equation.x2 + y2 - 4x = 0
A. r sin2? = 4 cos ? B. r = 4 sin ? C. r cos2? = 4 sin ? D. r = 4 cos ?
Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Provide an appropriate response.The random variable X has density function f(x) = 
Find ? and ?.
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Solve the problem by estimating.In 1999, the population of Capital City was 8,385,831 and the population of Spring City was 1,932,652.. Round each population to the nearest hundred-thousand to estimate the difference in the populations of the two cities.
A. 6,453,000 B. 6,400,000 C. 6,600,000 D. 6,500,000