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Write a value-returning function, isVowel, that returns the value true if a given character is a vowel and otherwise returns false. Write a program that prompts the user to input a sequence of characters and outputs the number of vowels. (Use the function isVowel written in Programming Exercise 2.)

a. Write a program that uses the function isPalindrome given in Example 6-6 (Palindrome). Test your program on the following strings: “madam”, “abba”, “22”, “67876”, “444244”, and “trymeuemyrt” b. Modify the function isPalindrome of Example 6-6 so that when determining whether a string is a palindrome, cases are ignored, that is, uppercase and lowercase letters

Write a function, reverseDigit, that takes an integer as a parameter and returns the number with its digits reversed. For example, the value of reverseDigit(12345) is 54321; the value of reverseDigit(5600) is 65; the value of reverseDigit(7008) is 8007; and the value of reverseDigit(-532) is -235.

Write a program that prompts the user to enter two positive integers less than 1,000,000,000 and the program outputs the sum of all the prime numbers between the two integers. Two prime numbers are called twin primes, if the difference between the two primes is 2 or −2. Have the program output all the twin

Write a value-returning function, isVowel, that returns the value true if a given character is a vowel and otherwise returns false. Write a program that prompts the user to input a sequence of characters and outputs the number of vowels. (Use the function isVowel written in Programming Exercise 2.)

When you borrow money to buy a house, a car, or for some other purposes, then you typically repay it by making periodic payments. Suppose that the loan amount is L, r is the interest rate per year, m is the number of payments in a year, and the loan is for t years. Suppose

Write a program that takes as input five numbers and outputs the mean (average) and standard deviation of the numbers. If the numbers are 1 x, 2x , 3 x , 4 x , and 5 x , then the mean is x=(x1+x2+x3+x4+x5)/5 and the standard deviation is: Your program must contain at least the

Modify the roll dice program, Example 6-4, so that it allows the user to enter the desired sum of the numbers to be rolled. Also allow the user to call the rollDice function as many times as the user desires. The following formula gives the distance between two points, (,) 11 xy and (,) 22

Write C++ statements that do the following:  (1, 2, 3, 4, 5) a. Define an enum type, flowerType, with the values ROSE, DAISY, CARNATION, FREESIA, GARDENIA, ALLIUM, TULIP, IRIS, SUNFLOWER, LILAC, and ORCHID. b. Declare a variable flower of the type flowerType. c. Assign TULIP to the variable flower. d. Use part c, to assign

During the tax season, every Friday, the J&J accounting firm provides assistance to people who prepare their own tax returns. Their charges are as follows: a. If a person has low income (,5 25,000) and the consulting time is less than or equal to 30 minutes, there are no charges; otherwise, the service charges are