F (x) = x² - x + 1
g(x) = 4x + 2x - 5
Evaluate : (f +9) (-3)

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Find the domain and range of the following function f(x) = 51x - 21+ 4

Which of the following is the sum of 3 1/6 + 6 3/8?