The natural exponential function ex

Solution previous Exercises please have a look as below.

i/ Ans: axa-x=ax+(-x)=ax-x=a0 =1
ii/Ans:  a2x
iii/ Ans: a-3x    notice (ax)y = axy
iv/ Ans: a-1
v/ Ans: 8-(x+1)
we also find the answer f(x-y) = f(x)/f(y)

The most commonly used exponential function – usually referred to as the exponential function – is ex, where e is a number whose value to 16 decimal places (!) is e approximate 2.7182818284590452. e is called the base of natural logarithms.

 Let find the answers:






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