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Himpunan penyelesaian dari pertidaksamaan eksponensial berikut 3 x 2 − x + 1 ≤ 9 x + 2 5 ​ a d a l ah ...

Himpunan penyelesaian dari pertidaksamaan eksponensial berikut

  1. negative 1 less or equal than x less or equal than 4

  2. 1 less or equal than x less or equal than negative 4

  3. negative 1 less or equal than x less or equal than negative 4

  4. x less or equal than negative 1 space a t a u space x greater or equal than 4

  5. x less or equal than negative 4 space a t a u space x greater or equal than 1

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Pembahasan

3 to the power of x squared minus x plus 1 end exponent less or equal than 9 to the power of x plus 5 over 2 end exponent 3 to the power of x squared minus x plus 1 end exponent less or equal than left parenthesis 3 right parenthesis squared to the power of open parentheses x plus 5 over 2 close parentheses end exponent 3 to the power of x squared minus x plus 1 end exponent less or equal than 3 to the power of 2 x plus 5 end exponent x squared minus x plus 1 less or equal than 2 x plus 5 x squared minus x plus 1 minus 2 x minus 5 less or equal than 0 x squared minus 3 x minus 4 less or equal than 0 left parenthesis x plus 1 right parenthesis left parenthesis x minus 4 right parenthesis less or equal than 0 x equals negative 1 space d a n space x equals 4 space b u a t space g a r i s space b i l a n g a n space a g a r space m e n d a p a t k a n space h i m p u n a n space p e n y e l e s a i a n n y a

M a k a comma space H P equals left curly bracket negative 1 less or equal than x less or equal than 4 right curly bracket

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