Here ya go -
just remember, there are no set in stone rules. Your bass, amp, speakers, and style will have an impact on the tone. Also, not all eq's are created equal, some do a much better job than others.
Lows - 60 Hz - 120 Hz. This is where the fundamentals (lowest harmonics) of your bass notes are. Most of the power and depth of your tone is here too. Boosting at the low end of this range can give you a lot of depth, but may be too much for your cabinets. Boosting at the upper end of this range can give you a “full” tone, but often becomes “muddy“. Cutting the lows can tighten up your sound, and give you more room to turn your amp up.
Low Mids - 120 Hz - 600 Hz. Boosting somewhere in the 120 Hz - 360 Hz range can give you a rounder, more present and defined tone. These are the fundamentals of the high-register notes on the bass. Too much can get “cloudy” sounding. Scooping 120 to 360 Hz can tighten tone down low, but might make upper-register fills disappear in the mix. From 350 Hz - 600 Hz there can be a lot of “quack” and “honk” and a lot of people cut here a bit. However, boosting 500 Hz with the bridge pickup soloed can give you a great “jaco” tone.
High Mids - 600 Hz - 3 kHz. Boosting somewhere from 600 Hz - 1 kHz can bring out higher harmonics add some growl and edge, and help you cut through. Sometimes this gets too harsh though. Cutting there can open up the tone a bit. Boosting around 1 kHz - 3 kHz can add string noise and get harsh as well, but can add a lot of definition and snap. Cutting here “mellows out” the tone.
Highs - 3 kHz - 20 kHz. Boosting around 4 kHz can add a lot of brilliance and presence, but finger noise can be a bit much. Likewise, cutting here can remove a lot of “clatter”. Boosting above 4 kHz usually adds “sparkle” and “air”, but can get noisy and add a lot of hiss. Unless you use a tweeter, you wont hear much from this range anyway.