Mathematics for Business and Economics GEN1201/ECN1201 L, Kalybay Aigerim

Decimal number is a a real number which expresses fractions on the base 10 standard numbering system using place value.

Derivative is a measure of how a function or curve changes as its input changes, i.e. The best linear approximation of the function at a particular input value, as represented by the slope of the tangent line to the graph of the function at that point, found by the operation of differentiation.