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# Radical Functions and Rational Exponents PowerPoint PPT Presentation

Radical Functions and Rational Exponents. Chapter 7. 7-1 Roots and Radical Expressions. 7-1 Roots and Radical Expressions. 7-1 Roots and Radical Expressions. 7-1 Roots and Radical Expressions. 7-2 multiplying and dividing rational expressions. simplifying radical expressions.

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## Radical Functions and Rational Exponents

Chapter 7

### 7-2 multiplying and dividing rational expressions

7-2 multiplying and dividing rational expressions

7-2 multiplying and dividing rational expressions

7-2 multiplying and dividing rational expressions

Homework:

page 378 (1-27) odd

page 383 (1-33) odd

### warm up

7-2 multiplying and dividing rational expressions

7-2 multiplying and dividing rational expressions

• Homework: p 388/389 (1-37) odd

### 7-4 Rational Exponents

• Another way to write a radical expression is with a rational exponent:

### 7-4 Rational Exponents

• homework: p 394-395 (1-47) odd, except 27 and 29

### 7-5 Solving Square Root Equations

• Warm Up

• A radical equation is an equation that has a variable in a radicand (or variable with a fractional exponent.)

• If the radical has index 2, the equation is a square root equation.

• To solve a radical equation, isolate the radical expression, then raise both sides of the equation to the same power.

• page 400 (1-29) odd

### 7-6 Composition of Functions

• find f(g(x)) and g(f(x))

### 7-7 Inverse Functions

• Since an inverse exchanges x values with the y values, to find an inverse of an equation you can interchange x and y, and then solve the equation for y.

### 7-7 Inverse Functions

• Find the inverse for each function.

### 7-7 Inverse Functions

• homework

• page 406 (1-11, 23-41) odd

• page 416 (5-21) odds – only find the inverse functions, you do not need to graph these