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Let f be a function defined for all real numbers.  Also, let f', the derivative of f, be defined as f'(x)=((x-2)^3))/x.   Options are  (-Infinite, 0) and (2, infinite) (-Infinite,...

An employer claims that full time employees have a mean income of \$35,000. A sample of 200 ?employees was considered. Their mean salary was \$34,000. Assume a population standard ?deviation of \$4,000...

A person claims to be able to predict the outcome of flipping a coin. This person is correct 16/25 times. Compute the 95% confidence interval on the proportion of times this person can predict coin...

The length of a rectangle is 5 inches more than twice the width. If the area is to be at least 18 square inches, what are the possibilities for the width?

A generator produces electrical power, P, in watts, according to the function: P(R)= 120/ (0.4 + R)^2 where R is the resistance, in ohms. Determine the intervals on which the power...

Consider the function f(x)=5x+6x-1. For this function there are four important intervals: (-infinity,A],[A,B),(B.C) and [C,infinity) where A, and C are the critical numbers and the function...