WeBWorK using host: https://webwork-ptx.aimath.org, format: simple seed: 42

Write a formula for Delbert’s Internet costs under each plan. Use $x$ for the variable.
Earthlink: $E=$
DigitalRain: $D=$
FreeAmerica: $F=$

Match Delbert’s Internet cost under each company with its graph shown above.
Line I:
Line II:
Line III: