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Titik P(3,4) ditransformasikan oleh sumbu y , kemudian hasilnya dirotasikan berlawanan arah jarum jam sejauh 45 0 dengan pusat titik asal. Bayangan terakhir titik P adalah …

Titik P(3,4) ditransformasikan oleh sumbu y , kemudian hasilnya dirotasikan berlawanan arah jarum jam sejauh 450 dengan pusat titik asal. Bayangan terakhir titik P adalah …

  1. open parentheses 7 over 2 square root of 2 comma 1 half square root of 2 close parentheses

  2. open parentheses negative 7 over 2 square root of 2 comma 1 half square root of 2 close parentheses

  3. open parentheses 7 over 2 square root of 2 comma negative 1 half square root of 2 close parentheses

  4. open parentheses negative 7 over 2 square root of 2 comma negative 1 half square root of 2 close parentheses

  5. open parentheses negative 7 over 2 square root of 2 comma space 2 1 half square root of 2 close parentheses

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Refleksi space terhadap space sumbu space straight y straight M subscript 1 equals open parentheses table row cell negative 1 end cell 0 row 0 1 end table close parentheses  Rotasi space open square brackets 0 comma space 45 degree close square brackets straight M subscript 2 equals open parentheses table row cell cos space 45 degree end cell cell negative sin space 45 degree end cell row cell sin space 45 degree end cell cell cos space 45 end cell end table close parentheses straight M subscript 2 equals open parentheses table row cell 1 half square root of 2 end cell cell negative 1 half square root of 2 end cell row cell 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses

open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals M subscript 2 space M subscript 1 space end subscript open parentheses table row x row y end table close parentheses

open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals open parentheses table row cell 1 half square root of 2 end cell cell negative 1 half square root of 2 end cell row cell 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses open parentheses table row cell negative 1 end cell 0 row 0 1 end table close parentheses open parentheses table row 3 row 4 end table close parentheses open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals open parentheses table row cell negative 1 half square root of 2 end cell cell negative 1 half square root of 2 end cell row cell negative 1 half square root of 2 end cell cell 1 half square root of 2 end cell end table close parentheses open parentheses table row 3 row 4 end table close parentheses open parentheses table row cell x apostrophe end cell row cell y apostrophe end cell end table close parentheses equals open parentheses negative 7 over 2 square root of 2 comma end root 1 half square root of 2 close parentheses

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Kurva f ( x ) = a x 2 + b x + 5 di cerminkan terhadap garis y = 3 menghasilkan bayangan kurva dengan puncak (1,5). Nilai dari f ( − 2 ) adalah…

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