Chapter 4: Q51. (page 181)
Graph each relation or equation and find the domain and range. Then determine whether the relation or equation is a function.
Short Answer
Graph of given relation is

Domain is and range is
Given relation is a function.
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Chapter 4: Q51. (page 181)
Graph each relation or equation and find the domain and range. Then determine whether the relation or equation is a function.
Graph of given relation is

Domain is and range is
Given relation is a function.
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Graph each system of inequalities. Name the coordinates of the vertices of the feasible region. Find the maximum and minimum values of the given function for this region.
Solve each system of equations.
Determine whether each matrix product is defined. If so, state the dimensions of the product.
For Exercises 33-35, use the table that shows the total number of deaths due to severe weather.
34. Write a matrix that represents how many more people died as a result of lightning than hurricanes for each year.

Perform the indicated matrix operation. If the matrix doesn’t exist, write impossible.
23.
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