WAEC WAEC Nigeria General Mathematics

Revision Notes

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(Introduction to Calculus)

Applications of Calculus

Applications of Calculus

What is Calculus Used For?

Calculus is a powerful mathematical tool used to solve problems involving change and motion. It has applications in various fields such as physics, engineering, economics, and biology.

Key Applications of Calculus

  • Optimization: Calculus helps find maximum or minimum values of functions, which is useful in optimizing resources or costs.
  • Motion and Change: Differentiation allows us to determine the rate of change, such as velocity and acceleration in physics.
  • Area Under Curves: Integration is used to calculate areas under curves, which can represent total quantities like distance or accumulated change.
  • Modeling Real-World Problems: Calculus is used to create models that predict future outcomes based on current data.

Differentiation in Real Life

Differentiation is the process of finding the derivative of a function. It is used to determine the rate at which one quantity changes with respect to another.

Worked Example

Example: Finding the Rate of Change

Suppose the position of a car is given by the function s(t)=4t2+2ts(t) = 4t^2 + 2t, where ss is the position in meters and tt is time in seconds. Find the velocity of the car at t=3t = 3 seconds.

Integration in Real Life

Integration is the process of finding the integral of a function. It is used to calculate total quantities, such as area, volume, and accumulated change.

Worked Example

Example: Calculating Area Under a Curve

Find the area under the curve y=x2y = x^2 from x=0x = 0 to x=3x = 3.

Tuity Tip

Hover me!

Tuity Tip: Always check your differentiation and integration steps carefully to avoid mistakes.

Real-World Connection: Think about how calculus is used in everyday life, like calculating speed or optimizing resources.

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