Question

Evaluate the piecewise-defined function for the given values of x by matching the domain values with the range values

Answer 1

For x = -4

f (x) = x + 2

We evaluate the value of x = -4

f (-4) = (- 4) +2

f (-4) = - 2

For x = 4

f (x) = - 2x + 4

We evaluate the value of x = 4

f (4) = - 2 (4) +4

f (4) = - 8 + 4

f (4) = - 4

For x = 0

f (x) = 3x-4

We evaluate the value of x = 0

f (0) = 3 (0) -4

f (0) = 0-4

f (0) = - 4

Explanation:

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Answer 2

For x = -4
f (x) = x + 2
We evaluate the value of x = -4
f (-4) = (- 4) +2
f (-4) = - 2

For x = 4
f (x) = - 2x + 4
We evaluate the value of x = 4
f (4) = - 2 (4) +4
f (4) = - 8 + 4
f (4) = - 4

For x = 0
f (x) = 3x-4
We evaluate the value of x = 0
f (0) = 3 (0) -4
f (0) = 0-4
f (0) = - 4

Answer:
f (-4) = - 2
f (4) = - 4
f (0) = - 4