Q: A five foot ladder is leaning against the wall. If the top slides down at a rate of 5 feet per second, then how fast is the base of the ladder moving away from the wall at the instant when the top of the ladder is 3 feet above the ground.
Q: If x2 +xy + y2 = 3, what is the equation of the tangent line to this graph when y = 1.
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Q: If f(x) = (-3x5+2x4+5x)20(ln(2x2+2))20, find f'(x).
Q: What does it mean when you have a fraction as an exponent?
A: Firstly, we must be familiar with the following: Xa/b = b√Xa
When rewriting, think of a fractional exponent as a “tree”. The top number is the number of branches (how many multiples of X there are) and the bottom number is the root.Read More »
Q: There are so many rules when it comes to taking derivatives and anti-derivatives… how do I keep them all straight? More importantly, how do I know when to apply which rule?
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Q: Why do I have to press “ENTER” twice when zooming in on a graph when using my TI Graphing Calculator?
Q: How do I convert a decimal answer into a fraction on my TI Graphing Calculator?