A.CED.A.1 and A.CED.A.3 - Creating Equations and Inequalities in One Variable (All Functions including Simple Root Functions)

A radioactive isotope loses 0.8% of its mass each year.

Let s > 0 be the download speed in MB/s. For a 1,500-MB file, the time is

Distance D (meters) after t seconds is modeled by

The concentration of a chemical after dilution is C(t) in mg/L, where t is minutes after mixing:

Time to fall from height h meters is modeled by

Revenue (in dollars) as a function of ticket price p (dollars) is

A sensor triggers when the time (in seconds) to drain a tank satisfies the following equation

Stopping distance D (m) as a function of speed v (m/s) is

The per-student cost (dollars) to go on a field trip is

A dissolved-oxygen sensor reports voltage modeled by