290 likes | 459 Views
Warm-Up: February 6, 2012. Simplify each of the following:. Homework Questions?. Operations on Functions. Section 7-7. Operations with Functions (p. 383). Review of Functions. Functions are represented by a letter, such as “f” or “g”
E N D
Warm-Up: February 6, 2012 • Simplify each of the following:
Operations on Functions Section 7-7
Review of Functions • Functions are represented by a letter, such as “f” or “g” • Following the name of the function is the input (inside parentheses) • After the “=“ is the output • Changing the input changes the output
Function Example x y2 5 2x-4 f f f f 3x-6 3y2-6 3(5)-6 3(2x-4)-6 9 6x-18
Composition of Functions • A composition of functions is when the output of one function is the input of another function. • Work from the inside out x f f(x) g g(f(x))
Assignment • Page 387 #20, 29-45 odd
Assignments • Finish page 387 #20, 29-45 odd • 7-7 Worksheet • Skip #5-8 on Page 413 • Skip #4-7 on Page 414