When you first arrive in class: If you have any questions about the homework please put the question #’s on the board If someone has already put your question # up, and you’d like to see an explanation, please put a check mark next to the problem The idea being that problems that lots of people are finding difficult will be clearly marked We’ll start with ≤ 10 minutes of Q+A Math 110: Precalc 1

Instructor: Mike Panitz (mpanitz@cascadia.ctc.edu) Math 110: Pre-Calculus 1 Instructor: Mike Panitz (mpanitz@cascadia.ctc.edu)

Exam #1 This will be on Wednesday, April 18th This is 1 week from today Exam will take 1 – 1.5 hours You will have the entire class period for the exam You’re welcome to take more time, but we’ll have to move to a different room @ 3:20pm Math 110: Precalc 1

Exam #1: Grading Grading will be more detail-oriented than on the homeworks Probably about 10 questions, ~10 points/question For all questions, ONE POINT for the correct answer Remainder for SHOWING YOUR WORK and for CHECKING YOUR WORK Checking (where possible) will be required, and worth points I’ll try to make it clear on the exam which questions you HAVE to check your work on You will need to write out any formulas, before you use them. Math 110: Precalc 1

Calculators on Exams You’re allowed/encouraged to use your graphing calculators on the exams ALL MEMORY WILL BE CLEARED!! So any programs that you’ve loaded into it will be removed. This will be done immediately before each exam Math 110: Precalc 1

Exam #1:Weekend Study Tips Go through, and make sure you can answer, step by step, and explain, every question from the In-Class Exercises, homeworks, and book examples on the topics Make sure that every you can fully answer every single TYPE of question Not just ‘equations with radicals’, but Equations with 1 radical ( ) Equations w/ 2 radicals ( ) Etc. Math 110: Precalc 1

Today’s Topics Q+A Identifying Functions Functions: Domain, Range Pictures, Ordered Pairs, Equations Functions: Domain, Range From equations / function notation From graph Vertical Line test Review Linear Equations Scatter Diagrams Linear vs. nonlinear relations Finding the line of best fit (with a TI-83) Math 110: Precalc 1

Reading review for this class: § 2.2 – Functions § 2.3 – Graphs of a Function § 2.5 - Linear Function & Models Reading for next class: § 3.1 – Quadratic Function & Models Exam Review Math 110: Precalc 1