Between  0 ° C and  30 °C, the volume V (in cubic centimeters)of 1 kg of water at a temperature T is givenapproximately by the formula   V = 999.87  0.06426T + 0.0085043T2  0.0000679T3Find the temperature at which water has its maximumdensity.

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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.