Yes if it was not practical it was not there. You can see the real life use on this link http://www.intmath.com/Applications-differentiation/Applications-of-differentiation-intro.php
Pretty much any serious statistical model or experiment on anything will use basic calculus to interpret data. Anything that exponentially grows or decays (radioactive matter, bacteria, population growth, etc.) Anything that's built to be structurally sound. Anything that uses the EM spectra (radio, microwaves, visible light, etc.) All scientific industries use calculus practically constantly. And on and on and on... In reality, it's rarely pure theoretical calculus that's being done. Rather, another branch of math based on and built from the principles and results of calculus is primarily used called differential equations. Don't forget integration, the other "half" of calculus. That is as equally important in your listed applications. Also, both theoretical and applied calculus use both differentiation and integration. Differentiation isn't a separate branch of maths, but one of the two major branches of calculus as a whole.
Suppose a cubic crystal is growing so that the side changes at the rate of 10mm per second when the side length is 20 mm. If I want to know how fast the volume of the cube is growing at that time, I must use the equation V=x^3 and take the implicit derivative with respect to t and solve for dV/dt. or Suppose a plane is headed on a course of 050 at 300 mph and another is headed due north at 500 mph. If you want to know how fast the direct distance between them is changing, you must use implicit differentiation. In short, for everyday going to the grocery store type activities you won't need implicit differentiation. For complicated problems involving different rates of change you need to use implicit differentiation.
an elevator
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Yes if it was not practical it was not there. You can see the real life use on this link http://www.intmath.com/Applications-differentiation/Applications-of-differentiation-intro.php
The integration of application is used in real life when applied to the psychology of group dynamics and the effects of bullying to weaker members of a group.
The real part refers to real numbers. Analysis refers to the branch of mathematics explicitly concerned with the notion of a limit It also includes the theories of differentiation, integration and measure, infinite series and analytic functions.
b benefits
it's hard
mathimatics is important in our daily lifes because it is important.
anyway this is our homework in school the importance is to help us to compute Student's Grades and to our computation in business...
It's mainly used in physics, engineering, statistics, economics, etc. The main physics example is this: Assuming that s is distance, v is velocity, and a is acceleration, the following is true: s(t)=v'(t)=a''(t) (where t is time)
One example of hyperbole in the Psalm of Life could be when the poet claims that "Life is real! Life is earnest!" This statement is an exaggerated way of emphasizing the seriousness and importance of life.
There are many situations where integers are simply not enough. However, "real numbers" are mainly of theoretical importance; for most practical situations, numbers that have a limited number of decimals work quite well.
Daily transactions, calculations are very easy to work out by all irrespective of literacy.
Ask Niyo Sa Google.:DD