# Precalculus homework help

## SAVING FOR A CAR

Given the current interest rates charged on loans and credit cards, it might be much better to try to save money for large purchases or expenses. Study the examples in your text (Sections 3.1 and 3.4) regarding compound interest with attention to the following formulas:

## Fitting data

1. Consult an almanac, newspaper, magazine, or the Internet to **find data that appear to lie approximately on or near a straight line.** A few of the many free sources of data that might be appropriate to use are:

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## Composition and Transformation of Functions

Computing the composition of two functions (Section 1.6) and computing the inverse of a function (Section 1.8), are two of the most important topics we are covering in this module. These algebraic procedures are important in theory and in practice and are relevant in the study of calculus. This discussion activity will help you to become proficient in these skills.