The point at which a company’s costs equals its revenues is the break-even point. c represents the cost, in dollars, of x units of product and r represents the revenue, in dollars, from the sale of x units. find the number of units that must be produced and sold in order to break even. that is, find the value of x for which c = r. c = 4x +5000 and r = 14x

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

If a is a nonzero real number then the reciprocal of a is