Answer:
The required function that models the number of branches t years since Bela began studying her tree is
number of branches = 
Step-by-step explanation:
Let t be the time in years
Initially Bela's tree had 60 branches.
therefore the function that can be used to model the number of branches after t years will be given by
number of branches( after t years) 
The answer of the slope or Gradient of the line is 2
Hi There,
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We Know:
Total Perimeter = 450 feet
Length is 2 times the width.
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Solution:
Length = 150
Width = 75
75 x 2 = 150
150 + 150 + 75 + 75 = 450
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Answer:
Length = 150 feet.
Width = 75 feet.
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Hope This Helps :)
