Can someone help me? I’m confused.

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.