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.
The Average Cost to Install a Water Heater. The average cost to install a water heater is $800. Most homeowners pay between $700 and $900 to have a new water heating system installed.This amount includes the cost of the water heating unit as well as the installer's fee.If your city requires a permit for a water heater installation, this will add to the cost of the project.ost homeowners pay between $700 and $900 to have a new water heating system installed. This amount includes the cost of the water heating unit as well as the installer's fee.