FInd the surface area of the triangular prism

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.