Answer:
The general limit exists at <em>x</em> = 9 and is equal to 300.
Step-by-step explanation:
We want to find the general limit of the function:

By definition, a general limit exists at a point if the two one-sided limits exist and are equivalent to each other.
So, let's find each one-sided limit: the left-hand side and the right-hand side.
The left-hand limit is given by:
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Since the given function is a polynomial, we can use direct substitution. This yields:

Evaluate:

Therefore:

The right-hand limit is given by:

Again, since the function is a polynomial, we can use direct substitution. This yields:

Evaluate:

Therefore:

Thus, we can see that:

Since the two-sided limits exist and are equivalent, the general limit of the function does exist at <em>x</em> = 9 and is equal to 300.
First convert the mixed number into a improper fraction, then do length × width × hight. After covert your improper fraction back into a mixed number.
Answer:
x = 8
Step-by-step explanation:
Step 1: Create an equation
(2+4+x+6) ÷ 4 = 5
Step 2: Solve the equation
(12+x) ÷ 4 = 5
(12+x) = 20
x = 8

, so you insert the proportion and get 18. When the tank is three-fifths full, it contains 18 gallons of gas.