Graph each function. Which options is correct?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

What is the frequency of the sinusoidal graph?