Find all the intervals for which f(x) is increasing, decreasing and concavity. I need the answers but I need all the steps too.

Find all the intervals for which f(x) is increasing, decreasing and concavity. I need the answers but I need all the steps too.

According to the answer key, the equation is 1/4x+1 but I don't understand where the 1/4 is coming from. I thought the antiderivative of rootx would be (x^(3/2))/(3/2) which is ultimately...

[Hint: First you will need to graph this function over this interval. The final area will be computed by taking the sum of 3 smaller areas.]

∫x/(2x+1) ⅆx

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 13 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a...

I have R'(x) I need R(x), I did this part then it asks for price of units does it need p(x) or R(x)?

suppose it has been determined that the marginal revenue associated with the production of x units of a particular commodity is R'(x) = 240 - 4x dollars per unit. What is the revenue function R(x)...

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week,...

The demand function for a certain brand of CD is given by p = −0.01x2 − 0.3x + 26 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units...

It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale unit price is p = (676 − 7x)^(1/2) dollars. Determine...

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = (256 + 3.6x)^(1/2) dollars. Determine the producers' surplus...

Suppose $1,000 is invested at an annual interest rate of 7%. Compute the future value of investment after 10 years if the interest is compounded: a. Annually b. Quarterly c. Monthly d...

A rectangle is inscribed in a right triangle, if the triangle has sides of length 5, 12, and 13, what are the dimensions of the inscribed rectangle of greatest area?

a carpenter has been asked to build an open box with a square base. the sides of the box will cost $3 per square meter, and the base will cost $4 per square meter. what are the dimensions of the box...

The monthly payments on a $99,000 loan at 12% annual interest are $1.09. How much of the first monthly payment will go toward interest?

Comfy Chair Company has an annual demand for 26,000 reclining chairs. It costs $17 to store 1 reclining chair for 1 year, and $2200 in set up cost to produce each batch. Find the number of reclining...

Let y(t) represent your retirement account balance, in dollars, after t years. Each year the account earns 4% interest, and you deposit 4% of your annual income. Your current annual income is $38000,...

You wish to build a rectangular pen facing north-south and east-west. there will be one north-south interior fence from the southern border to the northern border. the north-south fence costs $3 per...

The cost for producing x items of a certain product is C(x)=4000+12x+30√x Find the marginal cost of producing 1600 items, to the nearest cent.

Use the limit definition of the derivative to find the slope of the tangent line to the curve f(x)=4x^2 at x=3

The function f(x)=390 represents the rate of flow of money in dollars per year. Assume a 3 year period for t and a rate of 10% for r, compounded continuously and determine the present value and the...

Jennifer C.

Experienced Educator Specializing in Test Prep and Enrichment

Brooklyn, NY

5.0
(74 ratings)

Alex C.

Harvard/MIT Finance and Statistics Tutor

Fort Lee, NJ

5.0
(288 ratings)

Amaan M.

Math/Economics Teacher

New York, NY

5.0
(70 ratings)