What is the domain of the function y = StartRoot x EndRoot + 4?
A. Negative infinity less-than x less-than infinity
B. Negative 4 less-than-or-equal-to x less-than infinity
C. 0 less-than-or-equal-to x less-than infinity
D. 4 less-than-or-equal-to x less-than infinity

Dropping less than two inches per mile after emerging from the mountains, a river drains into the ocean. one day's discharge at its mouth, 5.6 trillion gallons, could supply all of country a's households for seven months. based on this statement, determine how much water an average household uses each month. assume that there are 100 million households in country a. country a uses approximately nothing gallons per household per month.

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days

The elmina wilson company produces spaghetti sauce that is used in restaurants. the fixed costs total $1,329,050. the selling price per 64 oz. can of sauce is $12.40. the variable cost per can is $4.80. what is the break-even point in number of cans?