Find the first four terms of the binomial series for the given function.1/3

A. 1 - x + x2 - x3
B. 1 - x - x2 - x3
C. 1 - x - x2 - x3
D. 1 - x + x2 - x3


Answer: C

Mathematics

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Solve the system.x - y + z = -1x + y + z = -11x + y - z = -3

A. {(-2, -5, -4)} B. ? C. {(-4, -2, -5)} D. {(-2, -4, -5)}

Mathematics

Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y =  to find y for the given value of x.y = 28.2 when x = 6;Find y given x = 36.

A. k = 148.2; y = 4.7 B. k = 169.2; y = 4.7 C. k = 4.7; y = 169.2 D. k = 187.2; y = 5.2

Mathematics

Write the interval as an inequality involving x, and illustrate the inequality using the real number line.[-4, 9]

A. -4 < x ? 9

B. -4 ? x < 9

C. -4 < x < 9

D. -4 ? x ? 9

Mathematics

Solve the problem.After spending $3550 for tables and $2450 for chairs a convention center manager finds that the furniture cost 5% more than last year. Find the amount that he spent last year on tables and chairs. Round your answer to the nearest dollar.

A. $5714 B. $300 C. $6316 D. $2579

Mathematics