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
Answer:
v = 
Step-by-step explanation:
Given
t =
( multiply both sides by 4 to clear the fraction )
4t = 3v + 1 ( subtract 1 from both sides )
4t - 1 = 3v ( divide both sides by 3 )
= v
Answer:
The poster should be 4.375 ft long.
Step-by-step explanation:
0.35 * 12.5 ft = 4.375 ft
Answer: The poster should be 4.375 ft long.