The fuel efficiency for a certain midsize car is given by E(v) = −0.017v2 + 1.416v + 3.4 where E(v) is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the nearest mile per hour. mph (b) What is the maximum fuel efficiency for this car? Round to the nearest mile per gallon. mpg

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.