OpenStax, Prealgebra 2e §10.1 Add and Subtract Polynomials · Exercise 51 · Algebra · Polynomials

Add and Subtract Polynomials · Exercise 51

Fuel Efficiency The fuel efficiency (in miles per gallon) of a bus going at a speed of $x$ miles per hour is given by the polynomial $- \frac{1}{160} x^{2} + \frac{1}{2} x .$ Find the fuel efficiency when $x = 40 mph .$

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OpenStax, Prealgebra 2e · §10.1 Add and Subtract Polynomials · Exercise 51

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