X + y = 180. what is domain and range
1 answer:
Answer:
Step-by-step explanation:
First, let's put this equation into slope-intercept form by subtracting from both sides of the equation:
Let's graph this (see the attached photo.)
As you see we have a straight line. If you are able to graph a straight line, the domain and range will be all real numbers. This can be represented as:
- or -
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- or -
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The answer is
first you must multiply or use the FOIL method (First, Outer, Inner, Last)
First you multiply the first terms
this gives you 3x^2, then you multiple the outer terms
this gives you -21x, then you multiply the inner terms
that gives you 2x, finally you multiply the last terms
that gives you 14, now you combine like terms
now you put all the terms together and end up with your solution
first you must multiply or use the FOIL method (First, Outer, Inner, Last)
First you multiply the first terms
this gives you 3x^2, then you multiple the outer terms
this gives you -21x, then you multiply the inner terms
that gives you 2x, finally you multiply the last terms
that gives you 14, now you combine like terms
now you put all the terms together and end up with your solution