Podcast
Questions and Answers
Which expression represents a rational function?
Which expression represents a rational function?
- $ rac{x-3}{x+5} ext{ is non-negative}$
- $ rac{2}{x} = x+0$
- $f(x) = rac{x+1}{x-3}$ (correct)
- $ rac{x^{2}-1}{x^{2}+2x+1}$ (correct)
What is the solution for x in the equation $ rac{3x+3}{x+4} = rac{x-5}{2}$?
What is the solution for x in the equation $ rac{3x+3}{x+4} = rac{x-5}{2}$?
- x = 7
- x = 12 (correct)
- x = 4
- x = -17
Which expression signifies a rational inequality?
Which expression signifies a rational inequality?
- $y= rac{2}{x+1}$
- $ rac{1}{3} + rac{1}{x} ext{ is greater than or equal to } 2$ (correct)
- $f(x) = rac{x}{x+1}$
- $ rac{1}{3} + rac{1}{2} = rac{x}{x}$
What is the domain of the function $f(x) = rac{x+8}{5x-7}$?
What is the domain of the function $f(x) = rac{x+8}{5x-7}$?
What is the x-intercept of the function $f(x) = rac{x-1}{x+11}$?
What is the x-intercept of the function $f(x) = rac{x-1}{x+11}$?
Flashcards
Rational Function
Rational Function
A function that can be expressed as the quotient of two polynomial functions.
Domain of a rational function
Domain of a rational function
The set of all possible input values (x) for which the function is defined.
Solving rational equations
Solving rational equations
Finding the value of x that satisfies an equation containing a rational function.
Rational Inequality
Rational Inequality
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x-intercept of a rational function
x-intercept of a rational function
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