What is the first step in solving the equation? +4= -2
1 answer:
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10. Infinitely many solutions:
Simplify this equation:
When the equation becomes
This equality is true for all x, thus the equation has infinitely many solutions.
11. The equation should have one solution x=-1.
First, simplify the equation:
This equation will have solution x=-1 when
Therefore, the initial equation is
12. The equation should have infinitely many solutions.
Simplify it:
When this equation will have infinitely many solutions.
Answer:
A.
Step-by-step explanation:
A rational-polynomic function is a function of the form:
(1)
There are three important remarks on this kind of function:
1) when function passes through the x-axis.
2) If , then the function
has a vertical asymptote.
3) The horizontal asymptote is a linear function of the form .
In accordance with the graph, the function has two vertical asymptotes at and
, numerator becomes zero for
and horizontal asymptote is
as grade of numerator is less than grade of denominator.
Hence, we conclude that rational function is <em>. </em>(Correct answer: A)
