#1 is x3
Bc x goes up 3 each time and y goes up 2 each time
Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

Given the function
. The above function can be written as

a)Now, the function
has minimum value since the coefficient of
is
.
b) The minimum value of the function occurs at
and its value is

c)The minimum value of the function occurs at
.
Answer:
Step-by-step explanation:
If the square has the side s, and area A=324
then s=√324=18
the side of the square is 18cm