The amount f(x), in dollars, in account A after x years is represented by the function below: f(x) = 1,264(1.09)
Part A: Is the amount of money in account
increasing or decreasing and by what percentage per year? Justify your answer. (5 points)
Part B: The table below shows the amount go. In dollars, of money in account B after r years:
r (number of years)
1
2
3
4
go (amount in dollars) 1,375 1,512.50 1.663.75 1,830.13

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

Will mark brainliest! ( explain the answer too, it can be one sentence)