4.2 times 7.5 with explanation

Which of the following tables represents exponential functions?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?