Let f and g be functions on Z defined by:

(x, y) ∈ g iff y = -x² + 3 and (x, y) ∈ f iff y = 5 - 3x

Which one of the following statements regarding functions f and g is TRUE?

Select one:

a.

Both functions f and g are surjective.

b.

Function f is bijective, but function g is not bijective.

c.

Neither function f nor function g is injective.

d.

Function f is injective, but function g is not injective

Answer rating: 100% (QA)

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