Suppose that the functions r and S are defined for all real numbers x as follows. r (x) =x-3 s (x) = 3.x Write the expressions for (r+s)(x) and (r-s) (x) and evaluate (r•s)(2). (r + s)(») = [ (- -3)() = 0 (r-s)(2) = [
Suppose that the functions r and S are defined for all real numbers x as follows. r (x) =x-3 s (x) = 3.x Write the expressions for (r+s)(x) and (r-s) (x) and evaluate (r•s)(2). (r + s)(») = [ (- -3)() = 0 (r-s)(2) = [
Chapter3: Functions
Section3.7: Inverse Functions
Problem 6SE: Show that the function fx)=ax is its own inverse for all real numbers a.
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