F(-7) = -7 - 10
f(-7) = -17
Hope I helped!
Let me know if you need anything else!
<span>~ Zoe (Rank:'Genius')</span>
The higher the percentage, the steeper the grade and the steeper the hill. This warning is issued so drivers are more careful (otherwise they would probably get into more accidents).
12 sq. in. in a foot i think