Question

Which table shows a constant rate of change of $3.25? *Which table shows a constant rate of change of $3.25?Cost of Ham Sandwiches13 5 73.25 10.50 16 22.25Cost of Ham Sandwiches1 3 5 73.25 9.75 16.25 22.75HhСhСF3GCost of Ham Sandwiches1 3 S 73.25 9.50 16.25 22.50Cost of Ham Sandwiches1 3 5 73.25 9.75 15.25 21.75hсhc С

Answer 1

The costant rate of change can be expressed as,

$R=\frac{\Delta C}{\Delta h}$

Consider table H.

The constant rate of change can be calculated as,

$\begin{gathered} R=\frac{\Delta C}{\Delta h}=\frac{9.75-3.25}{3-1}=3.25 \\ R=\frac{\Delta C}{\Delta h}=\frac{16.25-9.75}{5-3}=3.25 \\ R=\frac{\Delta C}{\Delta h}=\frac{22.75-16.25}{7-5}=3.25 \end{gathered}$

Therefore, table H shows a constant rate of change of $3.25.