Perform the desired operation. Write the answer in the form a + bi.(2 - 3i)2

A. -5 - 12i
B. 13 - 12i
C. 4 - 12i + 9i2
D. -5


Answer: A

Mathematics

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The position vector of a particle is r(t). Find the requested vector.The acceleration at t =  for r(t) = (7t - 2t3)i  + 3 tan (2t)j + e5tk

A. a = - ?i - 48j + 25e(5/8)?k
B. a = - ?i - 48j + 25k
C. a = - ?i + 48j + 25e(5/8)?k
D. a = ?i + 48j + 25e(5/8)?k

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The crossing graphs method is not useful for solving equations involving logarithms.

Answer the following statement true (T) or false (F)

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The table shown was generated by a graphics calculator. The expression y1 represents f(x).What is f(1)?

A. 0 B. -2 C. -5 D. Not shown

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Solve the problem.Matthew has saved a total of $29,000, of which $5800 is invested in the stock market. What percent of his total savings is invested in the stock market?

A. 15% B. 20% C. 25% D. 30%

Mathematics