Composite Functions: Answer to e: f(x) = x/1+x

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  f(x) = k(x)/g(x)

Step-by-step explanation:

k(x) has the denominator we want, but needs to be multiplied by x. The reciprocal of g(x) will give x, so we have ...

  f(x) = k(x)·(1/g(x))

  f(x) = k(x)/g(x)

This can also be written ...

  f(x) = (k/g)(x)

28

step-by-step explanation:

8+8+6+6

a. is correct