I’ll put you as brainlest

Aportion of a line bounded by two points is defined as

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the