Acertain element has a half-life of 69 years. an experiment starts with 1,500 grams of the element. the amount of the element remaining x years after the experiment began can be modeled with the function f(x) = 1,500(2)–x/69. the mathematical domain of the function is all real numbers. which statement describes how the reasonable domain compares to the mathematical domain? the reasonable domain is restricted to integers. the reasonable domain is restricted to positive real numbers. the reasonable domain has a minimum value of 1,500. the reasonable domain has a maximum value of 1,500

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown.which dog sitting service is more economic to use if you need 5 hours of service? explain.

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

3x = 729 solve for x plz . it's urgent. will mark