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Linear Relationships, SM-Bank 017 MC

This table shows the growth of a plant, in centimetres, over a 4 week period.

Week 1 2 3 4
Growth (cm) 3 4 5 6

 
The table also shows a pattern in the growth of the plant. The correct pattern connecting the week and the growth is: 

  1. \(\text{Week}\times 3\)
  2. \(\text{Week}\times 4-1\)
  3. \(\text{Week}\times 2+1\)
  4. \(\text{Week}+2\)
Show Answers Only

\(D\)

Show Worked Solution

\(\text{Consider Option D }:\ \text{Week}+2\)

\(\text{Week 1}\longrightarrow\) \(1+2=3\) \(\checkmark\)
\(\text{Week 2}\longrightarrow\) \(2+2=4\) \(\checkmark\)
\(\text{Week 3}\longrightarrow\) \(3+2=5\) \(\checkmark\)
\(\text{Week 4}\longrightarrow\) \(4+2=6\) \(\checkmark\)

 
\(\Rightarrow D\)