Lara solved an equation incorrectly, as shown below:
2 answers:
We have been given the steps to solve the equation as
Step 1: 2x = 18
Step 2: x = 18 − 2
Step 3: x = 16
There is an error in step 2.
We have
x is in multiplication with 2. So in order to get rid of 2 from the left hand side, we perform opposite operation of multiplication i.e. division.
So we must divide both sides by 2.
Therefore, A is the correct option.
A) She did not divide 18 by 2.
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Answer:
The total profit P(x) or the month is .
Step-by-step explanation:
A company produces x units of a product per month.
The total cost represents by the function C(x).
The total revenue represents by the function R(x).
The profit is the difference between revenue and cost.
Combine like terms.
Therefore, the total profit P(x) or the month is .