Does this table represent a function? Why or why not?

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i