Question: Suppose that the functions r and s are defined for all real numbers x as follows. r(x)= 3 x- 1 s(x)= 4 x Write the

Suppose that the functions r and s are defined for all real numbers x as follows.

r(x)= 3x-1

s(x)= 4x

Write the expressions for

(s-r) (x) =

and

(s+r) (x) =

and evaluate

(s . r) (2)

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