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.
When a water heater breaks down, the average cost of a repair is $455. Most homeowners pay between $365 and $540 to have their broken hot water heaters fixed.The final cost of having a water heater repaired will depend on the type of water heater, the scope of the problem and whether additional repairs to the natural gas supply, plumbing or electrical systems are needed.Water heater repairs should only be done by an experienced, trained and licensed professional.he final cost of having a water heater repaired will depend on the type of water heater, the scope of the problem and whether additional repairs to the natural gas supply, plumbing or electrical systems are needed.