# Algebra homework help

## Given any sequence, how can you determine if it is an arithmetic sequence

1. Given any sequence, how can you determine if it is an arithmetic sequence?

## Use half-angle formulas to solve the given problem. Find tanx

1. Simplify the following expression: sin 4x cos 3x + sin 3x cos 4x

## Algebra colllege

The main object of study for this week (as well as for all of Algebra) is the **Function**. A function "f" is a correspondence between two sets, the **domain** of the function, x, and the **range** of the function, f(x) such that every element x of the domain corresponds with exactly one element y, or f(x), of the range.

## How are these concepts of direct, inverse, and joint variation used in everyday life?

How are these concepts of direct, inverse, and joint variation used in everyday life?

## Evaluate the following two compositions: (fog)(x) and (hog)(x)

1. We define the following functions:

f(x)=2x+5 g(x)=x^2-3 h(x)=

o Compute (*f*– *h*)(4)

o Evaluate the following two compositions: (fog)(x) and (hog)(x)