Answer:
perimeter = 9x + 4
Step-by-step explanation:
The perimeter is the sum of the lengths of the sides.
perimeter = 2x + 3x - 1 + 4x + 5
Collect like terms.
perimeter = 9x + 4
The restrictions would be possible x values that could make the function equal 0.
Answer:
63.1
Step-by-step explanation: You divide 315.5 by 5 to get the answer