Скачать или смотреть How to find the difference quotient! (precaluclus and calculus)

This is a precalculus tutorial that helps you find the difference quotient of a linear function, the difference quotient of a quadratic function, the difference quotient with a square root, and the difference quotient of a rational function.

0:00 4 problems on finding the difference quotient of a function
0:06 1) f(x)=8x-3
2:35 2) f(x)=3x^2-5x
5:37 3) f(x)=sqrt(2-x) use conjugate
9:42 4) f(x)=(4x)/(x+1) use LCD

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