11. Piecewise Functions

Question 1

Graph on TI-89…

Answer 1

y1(x) = when(x<1,3–x^2,x^3–4x)

Question 2

Absolute value function is defined as…

Answer 2

Question 3

General absolute value function

Answer 3

ƒ(x) = a|x – h| + k

vertext at (h,k)

Question 4

Greatest Integer Function [x]

(Floor Function)

Answer 4

If x is an integer, then [x] = x.

If x is not an integer, then [x] is the largest integer less than x.