# gretzu

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### Convert recursive formula to an explicit formula

gretzu  Apr 21, 2018
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### (Matrices/Linear Systems) Find the solution of the system whose augmented matrix is...

gretzu  Jan 29, 2018
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2099
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### The region bounded by y=5 and y=x+(4/x) is rotated about the line x=−1. Find the volume of the resulting solid by any method.

gretzu  Feb 16, 2017
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### Can someone show me how these two series are equal? Having a hard time with the algebra..

gretzu  Nov 15, 2016
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### surface area of a revolution about the x-axis

gretzu  Sep 26, 2016
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### U-Substitution of sec^2(x)tan(x)

gretzu  Aug 28, 2016
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763
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### Find the average value of the function g(x)=2sin(x)+e^(x/pi) on the interval [0, 2pi].

gretzu  May 2, 2016
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### The cost in dollars of producing x pounds of a chemical in a factory is given by C(x). Suppose that the "marginal cost" is C'(x) = -.05+.001x

gretzu  Apr 25, 2016
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gretzu  Apr 21, 2016
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### Suppose that a particle has position s(t) feet at time t seconds and a velocity function s'(t)=3sin(t) ft/s. Find the displacement (change in position) from

gretzu  Apr 18, 2016
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### Let h(t) denote the height of an object in meters at time t seconds. h'(t) is the velocity of the object at time t seconds, and h''(t) = -9.8m/s^2 is the

gretzu  Apr 11, 2016
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### Let h(t) denote the height of an object in meters at time t seconds. h'(t) is the velocity of the object at time t seconds, and h''(t) = -9.8m/s^2 is the

gretzu  Apr 5, 2016
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### A rectangluar open topped aquarium is to have a square base and volume 8m^3. The material for the base cost \$1 per m^2, and the material for the sides cost \$4

gretzu  Apr 4, 2016
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408
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### What are the intervals where f(x) is increasing and decreasing: f(x)=

gretzu  Apr 4, 2016
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686
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### Find the critical numbers of f(x)= 9x^(2/3) - 3x

gretzu  Mar 28, 2016
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### (Linearization) Let R(P) denote the total revenue generated when our company sells laptops for \$P each. We spent a lot of money to run a market survey that

gretzu  Mar 21, 2016