Chapter 3: 3.104 (page 333)
Graph: f(x) = −4x − 5
Short Answer
The graph of the given function f(x) is

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Chapter 3: 3.104 (page 333)
Graph: f(x) = −4x − 5
The graph of the given function f(x) is

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Write the inequality shown by the graph with the boundary line y = −x + 2.

The equation models the relation between the amount of Tuyet's monthly water bill payment, P, in dollars, and the number of units of water, w, used.
(a) Find Tuyet's payment for a month when 0 units of water are used.
(b) Find Tuyet's payment for a month when 12 units of water are used.
(c) Interpret the slope and P-intercept of the equation.
(d) Graph the equation.
Explain in your own words why the slopes of two perpendicular lines must have opposite signs.
The number of unwatched shows in Sylvia’s DVR is . This number grows by unwatched shows per week. The functionrepresents the relation between the number of unwatched shows, N and the time, t, measured in weeks.
a. Determine the independent and dependent
variables.
b. Find N(4). Explain what this result means.
Graph the line of equation using its slope and y-intercept.
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