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2009-11-06 Algebra - algebra:

The exponets apply to every term inside the parenthesis. For (-4n)^2, you get 16n^2. For (3n^5)^2, you get 9n^10. For (-4*3)^2, you get -12^2 = 144. For (n*n^5)^2, you get (n^6)^2 = n^12. For 24*n^6^2

2009-11-06 General Writing and Grammar Help - Sentences:

Question: 1.Do both sentences of each set below have identical meanings? It was said that John was a child prodigy when he was young. John was said to be a child prodigy when he was young.

2009-11-06 Calculus - zeroes:

The derivative is the quotient rule where f(x) = g(x)/h(x) where g(x) = 2009^x and h(x) = x^2009. g'(x) = ln(2009)2009^x and h'(x) = 2009x^2008. The derivative is (lo d hi - hi d lo)/lo². This

2009-11-06 Algebra - ap calculus ab:

There may be several question, but they won't take long to answer. 2 Divide numerator and denominator by x². As x->∞, you get -1/1 = -1. 4 Limit x/x as x->0 is 1/1 = 1. A 6 Multiply numerator

2009-11-05 Algebra - college algebra:

The function is x³ + 4x² - 7x - 10. The first one to try is x=1, which gives 1+4-7-10, which is -12. The next one to try is x=2. This gives 8 + 16 - 14 - 10 = 24 - 24 = 0. Bingo! The function is