Step-by-step explanation:
The slope of tangent line at a max or a minimum is 0,.
So using point slope formula.
Is the equation of a tangent line. This means we have a horizontal line at y= 4. Horizontal lines have a slope of 0.
Maria practiced for her piano recital each day for three days. the first day she practiced for 3/4 hour, the second day she prac
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