The exchange rate is: £1 = $1.54 How many £ would I get for $77

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Restrictions on f(x) = 1/x+5 and g(x) = x-2

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Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe