Sorry it doesn’t go bigger but please help.

Sand spills out a hole in a sandbag at a constant rate. The graph and table show how the weight of the sandbag changes with time

Which function models this situation?

Sorry it doesnt go bigger but please help Sand spills out a hole in a sandbag at a constant rate The graph and table show how the weight of the sandbag changes class=

Respuesta :

This is an arithmetic sequence (graph is a line), so function:

a(n) = First term + (n-1) * Common Difference

Here First term = 42 and Common difference = 34 - 36 = -2 so

[tex]a(n)=42+(n-1)\cdot(-2)\\\\\boxed{a(n)=42-(n-1)\cdot2}[/tex]

Answer B.

Answer:

B. a(n) = 42- (n-1) x 2

Step-by-step explanation:

Just did the work on paper, I might not write that down but here's the late answer to your question.