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Use the graph of f(x) below to evaluate the following: 3 2.1 1 -4 -3 -2 -1 1 2 3 4 -1 -2 -3 1. f(-2) 2. f(1) 3. f(x) = 0

Sagot :

For a piecefunction, consider that the black points are the specific values of the function, where there are also blank points.

Then, you can conclude:

f(-2) = 1

f(1) = -2 (here you consider only the black point)

f(x) = 0

in this case, consider the values of x where the curve crosses the x-axis,

the function is equal to 0 when x = -3 and x = 4