class slides

1. • Last week – Defining Functions
• Did you complete the Lesson 1 Quiz?
• Yesterday, we started lesson 2 on evaluating functions.
January 21st – Semester 1 Closes!!!!
Housekeeping

2. Unit 1: Lesson 2
Evaluating Functions

3. Evaluating a function is similar to evaluating an expression
To evaluate a function, replace the variable with a given number.

4. Important Rules to remember:
Exponents – Squaring a negative
Adding and Subtracting Integers
Order of Operations

6. Need more
practice???

7. Use the following function rule to find h(-5).
g(x) = 6 – (-5)

8. Use the following function rule to find g(-4).
g(x) = -3 + x

9. Need more
practice???

10. Use the following function rule to find f(-10).
f(x) =
−2𝑥
5
+ 𝑥