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Tried to create a video for this answer, but status stayed in perpetual "preparing room...". Student requested help on writing...

Image 170k

Tried to create a video for this answer, but status stayed in perpetual "preparing room...". Student requested help on writing...

apply the first derivative test

A promoter wants to enclose two identical seating areas on the beach for VIP seating for a surfing competition. One side of the seating areas is along the ocean and does not require any fencing. If...

4. Let n≥2, let A and B b en×n matrices and let On be the n×n matrix with every entry 0. (b) Suppose that A2 = On. Show that In − A is invertible, and that (In − A)-1 = In + A. (c)...

I was wondering if you could help me find the limit of sin(sin(sinx))/x as x approaches zero

Find the points on the graph of the function that are closest to the given point. f(x) = x^2,(0, 9)

A rectangular solid (with a square base) has a surface area of 121.5 square centimeters. Find the dimensions that will result in a solid with maximum volume. = cm (smallest value) =...

A cylindrical package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 132 inches. Find the dimensions of the package of maximum volume...

Consider the following function. f(x) = 4x + 1, x ≤ −1 x^2 − 4, x > −1 Find the critical numbers of f. Find the open...

Find the two x-intercepts of the function f and show that f '(x) = 0 at some point between the two x-intercepts. f(x) = −8x sqrt(x + 3) My two intercepts thus far are (0,0) and (-3,0)...

The demand function for a certain make of ink-jet cartridge is the following where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. $ p...

Identify the open interval on which the function is increasing or decreasing. (Using interval notation.) h(x) = cos (3x/2), 0 < x < 2pi So far for increasing I have (2pi/3,...

I keep getting the wrong answer and I was hard stuck with the question, hope someone would kindly help me.Thank you so much

The height of a ball t seconds after it is thrown upward from a height of 5 feet and with an initial velocity of 64 feet per second is f (t) = -16t2 + 64t + 5. Verify that f(1)...

The height of an object t seconds after it is dropped from a height of 200 meters is s(t) = −4.9t2 + 200. Find the average velocity of the object during the first 3 seconds. Use the Mean Value...

(x^1/3-x)/x^1/2

(x+1)/(x*ln(x))

g(x) = 7 secx, [-pi/6, pi/3], solving for minimum (x,y) and maximum (x,y).

g(x) = (8x^2)/(x-2) , [-2,1] looking for: minimum (smaller x value) (x,y) = minimum (larger x value) (x,y) = maxiumum (x,y) =

Suppose a=3 and c=8 Find: b= ?? Angle A= ?? Angle B =?? Angle C= 90 degrees

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