Which statement best describes how to determine whether f(x) = x4 â€"" x3 is an even function? Determine whether (â€""x)4 â€"" (â€""x)3 is equivalent to x4 â€"" x3. Determine whether (â€""x4) â€"" (â€""x3) is equivalent to x4 x3. Determine whether (â€""x)4 â€"" (â€""x)3 is equivalent to â€""(x4 â€"" x3). Determine whether (â€""x4) â€"" (â€""x3) is equivalent to â€""(x4 x3).

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.