Answer:
4
Step-by-step explanation:
Lets make be the ? in the equation.
That becomes ( x 3) - 3 = 15.
First you have to add 3 on both sides. After doing that it gets to ( x 3) = 15 - 3.
Then you simplify it to 3 = 12.
Now you divide 3 on both sides. That gets to = 4 after doing it.
Hope this helped! If not, please let me know! <3
Answer:
Step-by-step explanation:
<u>Inequalities</u>
To solve the inequality:
We need to perform the required operations on both sides of the inequality to have the variable w isolated.
First, we subtract 9:
Subtracting 6w:
Operating:
-7w>-1
Now we divide by -7 but recall that when dividing by a negative number, we must flip the inequality sign:
Operating:
Solution:
As the mapping suggests, the first (x) coordinate is decreased by 3, and the second (y) coordinate is increased by 2. So, given the inputs, you have
And yes, this rule is a function: it has a starting set (the domain), which is all possible couples , and a landing set (the codomain), which is again composed by the couples
. Since for every point in the domain you have one and only one output, this rule is a function.