Remedial for Modules 5 and 6

Given the equation f(x) = p(x)/q(x), what should not be the value of q to consider the equation rational function.

• 1-1+1

• 2+1-4

• 7-6-1

• 2+5-8

Given the rational function

 $f\left(x\right)\ =\ \frac{2x+3}{x+4}$ , what will make the equation undefined?

• 3

• -3

• 4

• -4

Determine the restriction/s of the given rational function:

 $f\left(x\right)\ =\ \frac{2x+6}{x^2+5x+6}$  

• x = -2

• x = -3

• x = -5

• x = -6

Is the given fraction rational or not?

 $f\left(x\right)\ =\frac{\sqrt{16}}{x+2}$  

• Rational Function

• Not Rational Function

Is the given fraction rational or not?

 $f\left(x\right)\ =\frac{\sqrt{x^2+6x+9}}{x+7}$  

• Rational Function

• Not Rational Function

Is the given fraction rational or not?

 $f\left(x\right)\ =\frac{3x+21}{x+7}$  

• Rational Function

• Not Rational Function

Is the given fraction rational or not?

 $f\left(x\right)\ =\frac{8x-24}{x+4}$  

• Rational Function

• Not Rational Function

Determine the restriction/s of the given rational function:

 $f\left(x\right)\ =\ \frac{2x+4}{4x+20}$  

• x = -3

• x = -4

• x = -5

• x = -6

Determine the solution/s of the given rational function:

 $f\left(x\right)\ =\ \frac{2x+4}{4x+20}$  

• x = -2

• x = -3

• x = -4

• x = -5

Determine the solution/s of the given rational function:

 $f\left(x\right)\ =\ \frac{2x-9}{3x+10}$  

• x = 4

• x = -4

• x = 4.5

• x = -4.5