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Question Number 74910 by vishalbhardwaj last updated on 03/Dec/19

Explain a function with examples based on our daily life ?

$$\mathrm{Explain}\:\mathrm{a}\:\mathrm{function}\:\mathrm{with}\:\mathrm{examples}\:\mathrm{based} \\ $$$$\mathrm{on}\:\mathrm{our}\:\mathrm{daily}\:\mathrm{life}\:? \\ $$

Answered by MJS last updated on 03/Dec/19

renting a car deal 1 fix price 200$ per day plus 0.42$ per kilometer total cost = 200+.42x deal 2 fix price 250$ per day with 100 kilometers included plus .28$ per additional kilometer total cost = { ((250; 0<x≤100)),((250+.28(x−100)=222+.28x; x>100)) :}

$$\mathrm{renting}\:\mathrm{a}\:\mathrm{car} \\ $$$$\mathrm{deal}\:\mathrm{1} \\ $$$$\mathrm{fix}\:\mathrm{price}\:\mathrm{200\$}\:\mathrm{per}\:\mathrm{day}\:\mathrm{plus}\:\mathrm{0}.\mathrm{42\$}\:\mathrm{per}\:\mathrm{kilometer} \\ $$$$\mathrm{total}\:\mathrm{cost}\:=\:\mathrm{200}+.\mathrm{42}{x} \\ $$$$\mathrm{deal}\:\mathrm{2} \\ $$$$\mathrm{fix}\:\mathrm{price}\:\mathrm{250\$}\:\mathrm{per}\:\mathrm{day}\:\mathrm{with}\:\mathrm{100}\:\mathrm{kilometers} \\ $$$$\mathrm{included}\:\mathrm{plus}\:.\mathrm{28\$}\:\mathrm{per}\:\mathrm{additional}\:\mathrm{kilometer} \\ $$$$\mathrm{total}\:\mathrm{cost}\:=\:\begin{cases}{\mathrm{250};\:\mathrm{0}<{x}\leqslant\mathrm{100}}\\{\mathrm{250}+.\mathrm{28}\left({x}−\mathrm{100}\right)=\mathrm{222}+.\mathrm{28}{x};\:{x}>\mathrm{100}}\end{cases} \\ $$

Commented by arkanmath7@gmail.com last updated on 06/Dec/19

I want to study those type of functions and its apps. Any sources to find it plz?

$${I}\:{want}\:{to}\:{study}\:{those}\:{type}\:{of}\:{functions} \\ $$$${and}\:{its}\:{apps}.\:{Any}\:{sources}\:{to}\:{find}\:{it}\:{plz}? \\ $$

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