WEEK 2 GENMATH

WEEK 2

Rational Functions

Multiple Choice

$$f\left(x\right)=\frac{\sqrt[]{2x}}{5x-4}$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$\frac{1-x}{x+7}=5$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$\frac{x}{4x-1}\le5$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$x-3=y$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$g\left(x\right)=2x-1$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$\frac{1-x}{x+7}=5$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

Multiple Choice

$$\frac{3x^3+4x-7}{9+x}$$  

• Rational Expression

• Rational Equation

• Rational Inequality

• Rational Function

WEEK 2

Multiple Choice

Solve the equation by finding the value of x in $$\frac{1}{x}=\frac{1}{5-x}$$  .

• $$-\frac{2}{5}$$  

• $$\frac{2}{5}$$  

• $$-\frac{5}{2}$$  

• $$\frac{5}{2}$$  

Multiple Choice

Solve the inequality $$\frac{2x-5}{x-5}\le3$$  .

• $$\left(-\infty,5\right)and\ \left(10,\ \infty\right)$$  

• $$\left(-\infty,5\right)and\ \left[10,\ \infty\right)$$  

• $$\left(-\infty,5\right]and\ \left(10,\ \infty\right)$$  

• $$\left(-\infty,5\right]and\ \left[10,\ \infty\right)$$  

Multiple Choice

The vertical asymptote of  $$f\left(x\right)=\frac{1}{x+7}$$  is x = 7.

• TRUE

• FALSE

Multiple Choice

The hole of  $$f\left(x\right)=\frac{x-2}{x^2-4}$$  is x = 2.

• TRUE

• FALSE

Multiple Choice

The x-intercept of  $$f\left(x\right)=\frac{x-5}{x^2-25}$$  is x = 5.

• TRUE

• FALSE