Price–demand. The marginal price dp / dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $1000 per unit [ p (0) = 1000], and there is a weekly demand of 10 units at a price of $367.88 per unit [ p (10) = 367.88]. (A) Find the price–demand equation. (B) At a demand of 20 units per week, what is the price? (C) Graph the price–demand equation for 0 ≤ x ≤ 25.
Price–demand. The marginal price dp / dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $1000 per unit [ p (0) = 1000], and there is a weekly demand of 10 units at a price of $367.88 per unit [ p (10) = 367.88]. (A) Find the price–demand equation. (B) At a demand of 20 units per week, what is the price? (C) Graph the price–demand equation for 0 ≤ x ≤ 25.
Solution Summary: The author calculates that the marginal price is proportional to the price p.
Price–demand. The marginal price dp/dx at x units of demand per week is proportional to the price p. There is no weekly demand at a price of $1000 per unit [p(0) = 1000], and there is a weekly demand of 10 units at a price of $367.88 per unit [p(10) = 367.88].
(A) Find the price–demand equation.
(B) At a demand of 20 units per week, what is the price?
(C) Graph the price–demand equation for 0 ≤ x ≤ 25.
Find the exact values of sin(2u), cos(2u), and tan(2u) given
2
COS u
where д < u < π.
2
(1) Let R be a field of real numbers and X=R³, X is a vector space over R, let
M={(a,b,c)/ a,b,cE R,a+b=3-c}, show that whether M is a hyperplane of X
or not (not by definition).
متکاری
Xn-XKE
11Xn-
Xmit
(2) Show that every converge sequence in a normed space is Cauchy sequence but
the converse need not to be true.
EK
2x7
(3) Write the definition of continuous map between two normed spaces and write
with prove the equivalent statement to definition.
(4) Let be a subset of a normed space X over a field F, show that A is bounded set iff
for any sequence in A and any sequence in F converge to zero the
sequence converge to zero in F.
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Establish the identity.
1 + cos u
1 - cos u
1 - cos u
1 + cos u
= 4 cot u csc u
Chapter 5 Solutions
Calculus for Business, Economics, Life Sciences, and Social Sciences - Boston U.
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