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.
They also offer costs savings annual energy costs. 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.he average cost for gas water heating units is $850. That will buy you a decent water heater that is rated for 12 years. These, too, can be found for cheaper than that price. You may find a 3 year rated water heater for about $350. Quality units can cost $1,000 to $1,400.