Question

Which is a rational function?

a. y= (x-5)/(2)

b. y=2ˣ

c. y=(x-3)/(x²)

d. y=(x²-x+4)

Answer 1

from the word ratio (quotient) , there are two answers, A and C, but since the question is rational function the answer is C. given that the denominator is the dependent variable (y)

Answer 2

Rational function is a function that is a ratio of two polynomials

Answer 3

i mean the denominator is x- dependent variable. .

Answer 4

Examples of rational functions:
http://stem.utm.edu/cats/index.php/Definition_of_rational_functions