Chapter 1: Problem 39
Write the equation in the slopeintercept form and then find the slope and \(y\) -intercept of the corresponding line. $$ x-2 y=0 $$
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Chapter 1: Problem 39
Write the equation in the slopeintercept form and then find the slope and \(y\) -intercept of the corresponding line. $$ x-2 y=0 $$
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The number of U.S. dialup Internet households stood at \(42.5\) million at the beginning of 2004 and was projected to decline at the rate of 3.9 million households per year for the next 6 yr. a. Find a linear function \(f\) giving the projected U.S. dial-up Internet households (in millions) in year \(t\), where \(t=0\) corresponds to the beginning of 2004 . b. What is the projected number of U.S. dial-up Internet households at the beginning of 2010 ?
Suppose the cost function associated with a product is \(C(x)=c x+F\) dollars and the revenue function is \(R(x)=\) \(s x\), where \(c\) denotes the unit cost of production, \(s\) the unit selling price, \(F\) the fixed cost incurred by the firm, and \(x\) the level of production and sales. Find the break-even quantity and the break-even revenue in terms of the constants \(c, s\), and \(F\), and interpret your results in economic terms.
Suppose the demand-and-supply equations for a certain commodity are given by \(p=a x+b\) and \(p=c x+d\), respectively, where \(a<0, c>0\), and \(b>d>0\) (see the accompanying figure). a. Find the equilibrium quantity and equilibrium price in terms of \(a, b, c\), and \(d\). b. Use part (a) to determine what happens to the market equilibrium if \(c\) is increased while \(a, b\), and \(d\) remain fixed. Interpret your answer in economic terms. \(\mathbf{c}\). Use part (a) to determine what happens to the market equilibrium if \(b\) is decreased while \(a, c\), and \(d\) remain fixed. Interpret your answer in economic terms.
Use the results of Exercise 63 to find an equation of a line with the \(x\) - and \(y\) -intercepts. $$ x \text { -intercept } 4 ; y \text { -intercept }-\frac{1}{2} $$
Find an equation of the line that satisfies the given condition. Given that the point \(P(2,-3)\) lies on the line \(-2 x+k y+\) \(10=0\), find \(k\)
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