Answer:
The cost of one unit of electricity is $0.185
Step-by-step explanation:
Amount charged = $120.99
Units of electricity used = 654
The cost of a unit of electricity can be determined by dividing the amount charged by the number of units used.
So that,
cost of one unit of electricity = 
= 0.185
cost of one unit of electricity = $0.185
This implies that the cost of electricity used is charged at $0.185 per unit.
Thus for 654 units of electricity used, the cost would be;
654 x $0.185 = $120.99
The shapes of the 2 graphs are the same. However, because x has a fractional coefficient between 0 and 1, the period of the graphed function is twice as long (that is, 2pi instead of pi), and the graph has been reflected about the x-axis and then stretched vertically by a factor of 3.
Domain:
-4 ≤ x ≤ 3
or in different form:
x ∈ [-4; 3]
First, let's calculate the actual cost.
is the actual cost of six nights.
The formula for percent error is
The bars (|) stand for absolute value which gets rid of the negative sign if there is one.
Plug in the values:
<span>
</span><span>
</span>
<span>
</span>
<span> is the percent error.</span>
Answer:
Yes, it is a function because for each pair, none of the x's are the same
Step-by-step explanation:
