Which function represents this sequence? 6, 18, 54, 162, 486,
A - f(x)=6•3^(n-1)
C- f(x) =6^(n-1)
B- f(x) = 3•6^(n-1)
D- f(x) 3^(n-1)

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?