A car rental company charges a flat fee of $50 plus $20 per day for renting a car. The function to represent the total cost of renting a car for x days is: - f(x) = 20x + 50, A taxi charges a base fare of $3.50 plus $0.75 for each mile traveled. The function to represent the total cost of a taxi ride for x miles is: - f(x) = 0.75x + 3.50, A movie theater charges a flat fee of $10 for a ticket plus $5 for each 3D movie. Find the total cost of 2 3D movies. - Therefore, the total cost of 2 3D movies is $20, A coffee shop charges a base fee of $2.50 plus $0.75 per cup of coffee. Find the total cost of 4 cups of coffee. - Therefore, the total cost of 4 cups of coffee is $5.50., A tutoring service charges a flat fee of $30 per hour. Find the total cost of 2 hours of tutoring. - Therefore, the total cost of 2 hours of tutoring is $60.,

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