Solve for t:
t + 7 = 21

A: t= 28
B: t= 14
C: t= -28
D: t= -14

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

Which function has the domain x> -11?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?