Given that a function, g, has a domain of -20 ≤ x ≤ 5 and a range of -5 ≤ g(x) ≤ 45 and that g(0) = -2 and g(-9) = 6, select the statement that could be true for g.
a.
g(-4) = -11
b.
g(0) = 2
c.
g(7) = -1
d.
g(-13) = 20

Statement D:   true, because 20 is within the range of g.

Step-by-step explanation:

Drawing coordinate axes and marking the points given for x = 0 and x = -9

we see that x: {-9, 0} and g(x) = {6, -2}.  These sets are within the domain and range of g(x) as given.

The graph of g(x) cannot be precisely determined from the data given, but do indicate that it is a line or mild curve beginning in the 2nd quadrant, crossing the x-axis between x = 0 and x = -5.  Therefore:

Statement A is false because the graph is above the x-axis when x is -4;

Statement B:  false because g(0) = -11 is outside the range of g;

Statement C:  false because x = 7 is outside the domain of g; and

Statement D:   true, because 20 is within the range of g.

c: lkllmn.

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