What is the depth of the water at t=t3t, equals, hours? - ProProfs Discuss

# What is the depth of the water at t=t3t, equals, hours? The depth of the water in Harsha's bird bath is changing at a rate of r(t)=0.25t-0.1r(t)=0.25t−0.1r, left parenthesis, t, right parenthesis, equals, 0, point, 25, t, minus, 0, poin millimeters per hour (where tt is the time in hours). At time t=t=0t, equals, 0, the depth of the water is 353535 millimeters. A. 35+∫​3​3​​r(t)dt
B. 35+∫​3​4​​r(t)dt
C. 35+∫​2​3​​r(t)dt
D. 35+∫​0​3​​r(t)dt

This question is part of Applications of definite integrals Series
Asked by Anou, Last updated: Mar 27, 2019

### Request Answer   Share    ... Answer AnonymouslyAnswer Later Copy Link #### W. Wright

Let's see how far my knowledge stretches

W. Wright Biology student, Biology student, Astoria
Biology student, Biology student, Astoria

The answer to this is letter D. You simply need to check all of the given details that are mentioned above plus the rules that you have to follow in order to come up with the right answer. It can sometimes be hard to determine the differences between integrals. A definite integral usually has upper and lower limits.

The indefinite integral is known to be more general. You need to know the differences between the different integrals so that you can correctly choose the formulas that will help you solve the equations that will be given to you.   Reply #### Anou

Anou

35+∫​0​3​​r(t)dt   Reply Search for Google images Select a recommended image
Upload from your computer Cancel  Search for Google images Select a recommended image
Upload from your computer Cancel  Search for Google images Select a recommended image
Upload from your computer Cancel   