give the piecewise function shown below select all of the statements that are true
a. f(4)=7
b. f(1)=0
c. f(-1)=2
d. f(-2)=0

Which of the following properties can be used to show

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.

What ordered pair represents this equation? 3x-y=8 and x+y=2