9.lf y = sin (4x – 5), then what is y'? O A. y' = - cos (4x – 5) O B. y' = - cos (4x) O c. y' = cos (4x – 5) O D. y' = 4 cos (4æ – 5) %3D 10.If y = V3x –7, then what is dy dz O A. dy 3/3z-2 О в. dy 3 dz 2/31-7 O c. dy dz 2 3/3z-7 O D. dy dz 3z /2z-7

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