### Create a StudySoup account

#### Be part of our community, it's free to join!

Already have a StudySoup account? Login here

# Week of October 5th lecture notes MATH 115

Towson

GPA 3.2

### View Full Document

## 25

## 0

## Popular in Basic Math for the sciences

## Popular in Mathematics (M)

This 6 page Class Notes was uploaded by Katlyn Burkitt on Friday October 9, 2015. The Class Notes belongs to MATH 115 at Towson University taught by Dr. David Buchoff in Summer 2015. Since its upload, it has received 25 views. For similar materials see Basic Math for the sciences in Mathematics (M) at Towson University.

## Similar to MATH 115 at Towson

## Reviews for Week of October 5th lecture notes

### What is Karma?

#### Karma is the currency of StudySoup.

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/09/15

Math Notes Week of October 5 Drill October 5 2015 1 Find the inverse fx2x7alsowrittenasy2x7 x2y7 2yx 7 x 7 f1x 7 y 2 2 2 Find the inverse fx4x3 1alsowrittenasy4x3 1 x4y3 1 x14y3 x1 3 1 4 y 2 3x x f 1 1 3 a function fthat consists of two 2 1 1 0 ants one segment from 2 2 to second from 1 0 to 1 2 39aph its inverse O 1 21 i To do this switch riginal function a b to get the inverse of the line of the in b a Se tlo 31 Quadratic Function 2 Generalform flx 96 0 Standard fXax h2k agt0 the curve is up alto the curve is down h k To Graph 1 To determine if the curve is up or down 2 Determine the vertex h k 3 Find the x intercepts fx0 4 Find the y intercepts f0 Real world uses Radar TV dishes trajectory 2 Example le 2X 3 8 2 Find the x intercepts 02 2x 3 8 2M 3f28 x 322x 32 2 51 Find the y interc fx 2 3 8 fix 298 fixF2 188 Vertex 3 8 X intercepts 5 1 Y intercept 10 PositiveNegative Negative The line through the vertex is the axis of symmetry 2 To determine the vertex of a quadratic equation in general form fi zax bXC 2 2a b 1 27 Use the formula to nd the vertex The y value is the maximum if the equation is negative and the minimum if the equation is positive Miner 7th 2915 Graph the Function fx x 124 Find the vertex 14 2 Find the x Intercepts 02 x 1 4 x 1V24 ih 1V244 x lziZ Find the y intercept f0 0 124 124 Next step Graph 2 Given fx4x2 16x1000 a Determine with Minimum b Find the minimL 1 4 if fx has a minimum or maximum qr 3 mMaxi um b b X 2a f 1 261 V 100 f2984 So the minimum OCCURS at x2 but the minimum is 984 c Domain 0090 Range 0 Sec 41 Ex onential Functions fixi2x X y 4 116 3 18 2 14 1 12 0 1 1 2 2 4 3 8 4 16 1 1 To calculateanegative exponent rewrite 2 as ine the graph gradually gets closer to ybx isapositive up ardcurveifbgt1 gt m lt E 3 39C o V bx iv 0 npg ti1244wvnward curve if b lt 1 J fxbxc Cgt0 Shi s PClt0shift down fxbxccgtOShtZcltOshtZ xgt bx KH I xbx fxcbxcgt1 fxcbeclt1 Formula for compound interest m r 1 n 612p

### BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.

### You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

#### "I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

#### "I signed up to be an Elite Notetaker with 2 of my sorority sisters this semester. We just posted our notes weekly and were each making over $600 per month. I LOVE StudySoup!"

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

#### "Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.