Consider the graph of the quadratic function. Which interval on the x-axis has a negative rate of change?
0-2 to-1
-1.5 to 0
O to 1
-3
-2
2
3
х
1 to 2.5
-2
-3

X+ y = 5 ; x - y =3 solve using linear combination

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.

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.