Four more than one third a number into a variable expression or an equation

Four more than one third a number into a variable expression

Let the number be x

One third can be written as a fraction one out of 3 that is  

one third of a number is   * x

four more means we add 4

So , Four more than one third a number represents the expression

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !