Answer:


Step-by-step explanation:
A function and its inverse has the following properties

This implies that;

From the table,

This means that:


Note that: f(7) means the value of f(x) when x=7.
From the table f(x)=-6 when x=7.
That is why f(7)=-6.
If you are given 25 gallons, then all u have to do is multiply 25 by 2.369
and the answer is $59.225
Answer:
7.79 to the nearest hundredth
Step-by-step explanation:
Answer:
B is the answer
Step-by-step explanation:
Answer:
Since x= -3y + 6
Substitute this into equation 2
You now have equation 2 as
2(-3y+6) + 8y = -12
-6y + 12 + 8y = -12
8y - 6y = -12 -12
2y = -24
y= -12
x = -3(-12) + 6
x= 36 + 6
x= 42.