What is the value of f(5) in the function. f(x) = 2(2)^x-1

Which function is shown in the graph below?

Which is an equation for the nth terms of the sequence 12,15,18,21

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers