Among the variations on the graphs of the trigonometric functions are shifts--both horizontal and vertical. Such shifts are easily accounted for in the formula of a given function. Take function f, where f (x) = sin(x) .
The running costs vary from gas to electric. The average running cost for an electric water heater is $550. The average running costs of a gas water heater is $400. The difference in usage price per year is $150.
That is a question most consumers want the answer to and for good reason. The average water heater replacement cost can run anywhere from $600 to $800. Read more about that here â http://www.homewyse.com/services/cost_to_replace_hot_water_heater.html.