Chapter 7
7-2 multiplying and dividing rational expressions
Homework: page 378 (1-27) odd page 383 (1-33) odd
7-2 multiplying and dividing rational expressions
Homework: p 388/389 (1-37) odd
Another way to write a radical expression is with a rational exponent:
homework: p (1-47) odd, except 27 and 29
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
find f(g(x)) and g(f(x))
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.
Find the inverse for each function.
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