Maths-
General
Easy

Question

A Trainer mixed water with an electrolyte solution. Container is having 12 gal of 25%  electrolyte solution. The Concentration of electrolytes can be modelled byf left parenthesis x right parenthesis equals fraction numerator 4 over denominator x plus 12 end fraction  , Graph the function.

hintHint:

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) = fraction numerator straight p left parenthesis straight x right parenthesis over denominator straight q left parenthesis straight x right parenthesis end fraction, where p(x) and q(x) are polynomials such that q(x) ≠ 0.
Rational functions are of the form y = f(x)y = fx , where f(x)fx is a rational expression .
  • If both the polynomials have the same degree, divide the coefficients of the leading terms. This is your asymptote.
  • If the degree of the numerator is less than the denominator, then the asymptote is located at y = 0 (which is the x-axis).
  • If the degree of the numerator is greater than the denominator, then there is no horizontal asymptote.

The correct answer is: From the graph we can analyze that the vertical asymptote of the rational function is x= -4 and horizontal asymptote is y = (leading coefficient of numerator) / (leading coefficient of denominator) = 2/1=2


    1.Find the asymptotes of the rational function, if any.
    2.Draw the asymptotes as dotted lines.
    3.Find the x -intercept (s) and y -intercept of the rational function, if any.
    4.Find the values of y for several different values of x .
    5.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 .
    x + 12 = 0
    x = -12
    The vertical asymptote of the rational function is x= -12
    We will find more points on the function and graph the function.


    From the graph we can analyze that the vertical asymptote of the rational function is  x= -4 and horizontal asymptote is
    y = (leading coefficient of numerator) / (leading coefficient of denominator) = 2 over 1=2

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