How to understand piecewise functions

Write an equation of the line through (3,-5) and perpendicular to 3y=x-6

For an object in damped harmonic motion with initial amplitude a, period 2π/ω, and damping constant c, find an equation that models the displacement y at time t for the following. (a) y = 0 at time t = 0

What is the precent decrease from $219.95 to $131.00

There are 45.6 people per 3 square kilometers in the united states, how many people live in 1 square kilometer

The design team in charge of the warehouse has chosen a tile that has an area of 2.25 square feet. Which of the following situations best models the minimum number of tiles needed to cover the warehouse floor? t = 12x/2.25 t = 2.

In one state, sales tax is 6%. If sales tax on a car is $564.00, find the price of the car before tax.

A 6-pound bag of sugar contains 681 one-teaspoon servings and costs $4.49. A batch of muffins uses 1 cup of sugar.

Maurice bought 25 shares of stock at $9.85 per share and sold them for $11.22 per share. (Do not use commas, percentage signs or dollar signs in your answers. Round percentage answers to the nearest tenth) What was his purchase price?

Rewrite it 2/3 and 5/8 with a denomination of 24

Solve the compound: - x<1 or 9x+1<-10