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What are the vertical asymptotes of the function f(x) =5x+5/x2 + x-2

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed