# Purple math calculator solver

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This can also be written as h(x)=9x3+2x2. So in this case, h(x)=f(g(x)). This can be extended to more than two functions as well. For example, if f(x)=sin(pi*x), g(x)=cos(pi*x), and h(x)=tan^-1(4*pi*g(f(h(0)))), then the composition would be (hfg)(0). This could be simplified to tan^-1 (4*pi* cos((pi* sin((tan^-1 (4 * pi * 0))))))= 0.5. The order of the functions matters when computing the composition since each function is applied to the result of the previous function in the order they are listed. The notation fogh would mean that h is applied first, followed by g, and then f last. This could also be written as hofg which would mean that f is applied first, followed by g, and then h last. These two notations are equivalent since reversing the order of the functions just means that they are applied in reverse order which does not change the result. To sum up, a composition of functions is when one function is applied to the results of another function and the order of the functions matters when computing the composition.

Matrices can be used to solve system of equations. In linear algebra, a system of linear equations can be represented using a matrix. This is called a matrix equation. To solve a matrix equation, we need to find the inverse of the matrix. The inverse of a matrix is a matrix that when multiplied by the original matrix, results in the identity matrix. Once we have the inverse of the matrix, we can multiply it by the vector of constants to get the solution vector. This method is called Gaussian elimination.

This method is based on the Taylor expansion of a function, which states that a function can be approximated by a polynomial if it is differentiable. The Taylor series method involve taking the derivative of the function at each point and then adding up all of the terms to get the sum. This can be a very tedious process, but it is often the only way to find the sum of an infinite series. There are some software programs that can help to automate this process, but they can be expensive.

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Amazing, it is great for when I have last minute assignments to finish, or if I don’t understand a problem, you can take a picture of it and it will explain the process!!! I love it

Carolina Richardson

The best app ever, it helped so much in math since I'm kind of weak in math now I'm good at doing hard questions. Just hope that they make the premium less expensive so everyone could afford it

Xinia Collins