3/4 of the pupils in the class passed an examination. if 60 pupils passed ,how many pupils were the class

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval