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Let f:R--R be given by f(x)=x3+3 and f(x)=28 find x |
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Answer» -step explanation:step by step explanations1) x^2+3=28x^2=25X=+(-5)2) pre image of 39 and 21)f(X)=39x^2+3=39. x^2=36. (x^2+3=39 then 3 transpose to anotherside heans +3 became -3 so we write it as x^y=36-3) X=X(-6) f(x)=2x^2+3=2 Not possiblex->∅pleas LIKE ❤️ and add me in brilantand also follow me |
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