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The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

What is sin 7x/4 ? i need on this urgent trig

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons