Which tables since there’s no picture
For a which one the lifeguard or snack hut at the pool which one would take longer to save money
1.
x y
0 0
1 2
2 4
3 6
2. y = 2x+0 (or just y = 2x )
3. The slope is 2
Hope this helped!
This just wants the derivative which you can solve for.
You can do this using a negative expononet or using ...the rational rule forget its name*.... you shoudl get 9000/(t+12)^2
*Quotient rule
