
For Exercises 1-2, for parts (a) and (b), graph the equation. For part (c) solve the system ofequations. For parts (d) and (e) graph the solution set to the system of inequalities. If there isno solution, indicate that the solution set is the empty set.
1. a.
b.
c.
d.
e.
a.

Toplot : the graph of the given equation.
Explanation of Solution
Given : the given equation is
Graph :
Interpretation : From the above graph,It is the straight line passes through x axis at (1.667,0) and y axis at (0,5).
b.

To plot : the graph of the given equation.
Explanation of Solution
Given : the given equation is
Graph :
Interpretation : From the above graph,It is the straight line passes through origin.
c.

Tosolve: the given equations.
Answer to Problem 1PRE
Explanation of Solution
Given information : There are given two equations.
Calculation:
Hence, the solution of the given equations are x=1 and y=2.
d.

To plot: the graph of solution set to the system of inequalities.
Explanation of Solution
Given : the given inequalities are
Graph :
Interpretation : From the above graph, the common shaded region shows that the solution set of given inequalities.
e.

To plot: the graph of solution set to the system of inequalities.
Explanation of Solution
Given : the given inequalities are
Graph :
Interpretation : From the above graph, the common shaded region shows that the solution set of given inequalities.
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