Question

Let the function f:R⇒R be defined by f(x)=x²,
find:

i:f^-1,

ii:f^-1(-4)

Any mod answer this questions please no spams

Answer 1

Answer:

Explanation:

Hey mate here is your answer:

→f : R⇒R and defined by f(x)=x²,

→ i: f^-1 ⇒ {-2,2}.

→ ii: f^-1(-4)⇒√-4(not a real number ∴ there is no element in the domain which can map to -4).

Hope it helps you dear//

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