Review question

# Which of these graphs shows the area $A(c)$ as $c$ varies? Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource

Ref: R9617

## Question

Shown below is a diagram of the square with vertices $(0, 0), (0, 1), (1, 1), (1, 0)$ and the line $y = x+c$. The shaded region is the region of the square which lies below the line; this shaded region has area $A(c)$.

Which of the following graphs shows $A(c)$ as $c$ varies?