HELP!!! PLZ HELP!!!

The graph above shows 3 enzymes and their activity at different pH levels.

What is the optimal pH for the enzyme Salivary Amylase?

Use evidence from the graph to support your answer.

HELP PLZ HELP The graph above shows 3 enzymes and their activity at different pH levels What is the optimal pH for the enzyme Salivary Amylase Use evidence from class=