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The graph of a function g is given.
(a) Find g(-4), g(-2), g(0), g(2), and g(4).
(b) Find the domain and range of g.

The graph of a function g is given a Find g4 g2 g0 g2 and g4 b Find the domain and range of g class=


Answer :

semsee45

Answer:

(a)  g(-4) = 3, g(-2) = 2, g(0) = -2, g(2) = 1, g(4) = 0

(b) Domain: [-4, 4]
     Range: [-2. 3]

Step-by-step explanation:

The given graph is the graph of a piecewise function.

In the graph of a piecewise function:

  • An open circle at an endpoint indicates that the value is not included in the interval of this piece of the function.
  • An closed circle at an endpoint indicates that the value is included in the interval of this piece of the function.

Part (a)

To find g(-4), g(-2), g(0), g(2) and g(4), locate the corresponding y-coordinates for the points on the graph where the x-coordinates are -4, -2, 0, 2 and 4 respectively:

[tex]g(-4) = 3\\\\g(-2) = 2\\\\g(0) = -2\\\\g(2) = 1\\\\g(4) = 0[/tex]

Part (b)

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

To find the domain of a piecewise function, begin by identifying the domain of each piece of the function, which is [-4, 2] and (2, 4]. Now, combine these intervals, which results in the overall domain being [-4, 4].

The range of a function is the set of all possible output values (y-values) for which the function is defined.

To find the range of a piecewise function, begin by identifying the range of each piece of the function, which is [-2, 3] and [0, 3). Now, combine these intervals, which results in the overall range being [-2. 3].

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