Math Problem Statement
Complete the problem by using the accompanying figure, which shows a supply function and a demand function. (Assume price is measured in dollars.)
The q p-coordinate plane is given. There are 2 lines on the graph. The first line enters the window at p = 10 on the positive p-axis, goes up and right, passes through the point (12, 16), passes through the point (30, 25) crossing the second line, passes through the point (34, 27), passes through the point (48, 34), and exits the window in the first quadrant. The second line enters the window at p = 40 on the positive p-axis, goes down and right, passes through the point (12, 34), passes through the point (30, 25) crossing the first line, passes through the point (34, 23), passes through the point (48, 16), and exits the window in the first quadrant. (a) If the price is $34, what quantity is demanded? units
(b) If the price is $34, what quantity is supplied? units
(c) Is there a surplus or shortage when the price is $34? surplus shortage
How many units is the surplus or shortage? units
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Supply and Demand Functions
Coordinate Geometry
Formulas
Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Theorems
Basic Linear Function Theory
Suitable Grade Level
Grades 9-12
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