CaleighaL227137 CaleighaL227137

03-11-2022
Mathematics

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jon: 1 ptgiven by f(x) = |x| – 4. Find each of the indicated function values.(b) f(4)(c) f(a + 4)(Simplify your answer.)

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IrmaG658323 IrmaG658323

03-11-2022

we have

f(x) = |x| – 4

Part b

f(4)

so

For x=4

substitute in the expression above

f(4) = |4| – 4

f(4)=4-4

f(4)=0

Part c

f(a+4)

so

For x=(a+4)

substitute

f(a+4) = |(a+4)| – 4

f(a+4)=a+4-4

f(a+4)=a

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