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The parabola opens: y=√x-4 (principal square root) up down right left

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?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.