An exponential model has an initial value of 11 and a multiplier of 2. write the equation for this model.

How do i do this activity, is appreciated

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.