Algebra
I have 104 feet to build a dog pen. What is the largest width to maximise the area? What is the area? A=52x-x2 x=width
Algebra
We are studying quadratic functions. Suppose you have 80 feet of fence to enclose a rectangular garden. The function A= 40x-x2 gives you the area of the garden in square feet where x is the width in feet. What width gives you the maximum gardening area?
math
The management of Ditton Industries has determined that the daily marginal revenue function associated with selling x units of their deluxe toaster ovens is given by the following, where R'(x) is measured in dollars/unit. R'(x)=-0.1x+40 (a) Find the daily total revenue...
math
The demand function for a certain brand of CD is given by the following equation where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p-0.01x^2-0.1x+6 Determine the consumers' surplus if the wholesale mar...
math
Evaluate the definite integral. [0,1] √(7x(√(x)+√(7)dx
Algebra
While playing marbles, your first opponent won half your marbles plus 4 marbles. You lost half of what was left plus 3 marbles to your second opponent, You lost half of what was then left plus 2 more to the third opponent and your fourth opponent won your only remaining marble...
math
The quantity demanded x (in units of a hundred) of the Mikado miniature cameras/week is related to the unit price p (in dollars) by p = −0.2x2 + 80 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is related to the u...
math
Find the area of the region under the graph of the function f on the interval [-27, -1]. f(x)= 2-3square root x ? square units
Algebra
Thank you. I was trying to multiply it out first.
Algebra
Find the slope and y-intercept of the equation. y=mx+b y = (2-a)x + a
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