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If $f : R \to R$ , defined by f (x) = x³ + 7, then the value of f ^–1(71) and f ^–1 (–1) respectively are

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Correct option is C

f (x) = x3+ 7 = 71 ⇒ x3 = 64 ⇒ x = 4⇒ f-1(71)=4and f(x)=x3+7=–1⇒x3=–8⇒x=–2⇒f-1(–1)=–2

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If f : R→ R, defined by f (x) = x3 + 7, then the value of f –1(71) and f –1 (–1) respectively are

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If $f : R \to R$ , defined by f (x) = x³ + 7, then the value of f ^–1(71) and f ^–1 (–1) respectively are