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What is the equation of the graph that represents f(x)=x^4 stretched vertically by 2 and shifted up 3 spaces

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?