What is the inverse function of f(x) = x/x-2? f^-1(x)=-2x/x-1
f^-1(x)=2x/x+1
f^-1(x)=x-2/x
f^-1(x)=2x/x-1

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which of the following vectors are orthogonal to (2,1)? check all that apply

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