Math, asked by sarikagupta913, 10 months ago

2 Evaluate the following value.
(i) If f(x) = x - 9, find f(x) - f(-x).

Answers

Answered by Anonymous

1

Answer:

f(x)=x-9

f(-x)=-x-9

f(x)-f(-x)

x-9-(-x-9)

x-9+x+9

0

Answered by Anonymous

2

f(x) = x - 9

f(-x) = -x - 9

f(x) - f(-x) = x - 9 - (- x -9 ) = x - 9 + x + 9 = 2x

Answer = 2x

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