Determine whether each of these functions is a bijection from r to r.

a. f (x) = - 3x+4 b) f (x) = - 3x2+7

c. f (x) = (x+1) / (x+2)

d. f (x) = x5+1

5 friends go out for pizza. the total bill comes to?31.35. how much should each of the friends pay

Seth went to sticker station. he bought 1 sheet of 100,4 strips of 10, and 6 single soccer stickers, and he bought 8 strips of 10 and 3 single animal stickers. How many stickers did Seth buy?

Find the last digit of 6 to the 30 power

7x+4y-6z=-73 8x+5y+6z=-59 -4x-8y-3z=46 y=

Exhibit 18-2 Students in statistics classes were asked whether they preferred a 10-minute break or to get out of class 10 minutes early.

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13

Plastic cups come in packages of twenty-four and straws come in packages of twenty. What's the smallest number of each that could be bought so that you had the same amount of cups and straws?

What is 12+2-8=6-12 = - 6 + 18

A ramp leading into a building makes a 15 degree angle with the ground. The end of the ramp is 10 feet from the base of the building. Approximately how long is the ramp? Round to the nearest tenth.

What is 7 hunderedths in simpilest form?