What is the graph of the function f(x)=[x-1]?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Which of the functions graphed below has a removable discontinuity?

Angles 1 and 2 are complimentary angles. angle 1 = 52 degrees. what is the measure of angle 2?