Question

The function f(x) = –(x – 3)2 + 9 can be used to represent the area of a rectangle with a perimeter of 12 units, as a function of the length of the rectangle, x. What is the maximum area of the rectangle?

A). 3 square units
B). 6 square units
C). 9 square units
D). 12 square units

PLZ Answer FAST

Answer 1

Answer:

2(l+b)=12

so l+b=6

here length can be max 5

so u can proced accordingly

Answer 2

Answer:

D

Step-by-step explanation: