Respuesta :

unicorn3125

Answer:

        [tex]\bold{B.\quad \ y^3-\dfrac R2}[/tex]

Step-by-step explanation:

"half of R" it is:   [tex]\dfrac R2[/tex]

"y cubed" it is:   [tex]y^3[/tex]

Therefore, half of R subtracted from y cubed is:  [tex]y^3-\dfrac R2[/tex]

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