Whats the answer and how do i get the answer myself

Step-by-step explanation:

Let here the given function f(x) = y

or,

⇒  y = 3x+ 9

Now, solving for x, we get

3x+ 9 = y ⇒  3x = y - 9

or,

⇒  

Now, substituting x and y

Hence,

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )

the answer is the third / last answer

step-by-step explanation: