Maths-
General
Easy
Question
What is the graph of f(x
Hint:
A rational function is a function that is the ratio of polynomials. Any function of one variable, x, is called a rational function if, it can be represented as f(x) = p(x)/q(x), where p(x) and q(x) are polynomials such that q(x) ≠ 0.
Rational functions are of the form y=f(x)y = f x , where f(x)f x is a rational expression .
The correct answer is: The vertical asymptote of the rational function is x=−1 and x= 6 . This function has the x -intercept at (1.667,0) and y -intercept at (0,1) . We will find more points on the function and graph the function.
- Find the asymptotes of the rational function, if any.
- Draw the asymptotes as dotted lines.
- Find the x -intercept (s) and y -intercept of the rational function, if any.
- Find the values of y for several different values of x .
- Plot the points and draw a smooth curve to connect the points. Make sure that the graph does not cross the vertical asymptotes.
The vertical asymptote of a rational function is x -value where the denominator of the function is zero. Equate the denominator to zero and find the value of x .
x2 - 5x - 6 = 0
x2 - 6x + 1x - 6 = 0
x(x - 6) + 1 (x - 6) = 0
(x - 6) (x + 1) = 0
x – 6 = 0 or x + 1 = 0
x = 6 or x = -1
The vertical asymptote of the rational function is x=−1 and x= 6 .
This function has the x -intercept at (1.667,0) and y -intercept at (0,1) . We will find more points on the function and graph the function.
x2 - 6x + 1x - 6 = 0
x(x - 6) + 1 (x - 6) = 0
(x - 6) (x + 1) = 0
x – 6 = 0 or x + 1 = 0
x = 6 or x = -1
The vertical asymptote of the rational function is x=−1 and x= 6 .
This function has the x -intercept at (1.667,0) and y -intercept at (0,1) . We will find more points on the function and graph the function.
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