Using Functions:

Conversion Program: Write a program that perform conversions that we use often. Program should display the following menu

Welcome to the Conversion Program

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Fahrenheit to Celsius

Miles to kilometers

Liters to Gallons

Exit from the program

You should implement this program using functions and your program need to have following functions

void displayMenu()

double fahrenheitToCilsuis(double fTemp)

double milesToKilometers(double miles)

double litersToGallons(doube liters)