(32n-8n^2) + (16-n^2)= 32n-8n^2+16-n^2=32n-9n^2+16.
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1) f ' (x)=14(x-5)¹³
f ' (4)=14(4-5)¹³= -14
2) f ' (x)=24(3x-11)⁷
f ' (4)=24(3*4-11)⁷=24
3) g ' (x)= -35(x-6)⁻⁶ = -35/(x-6)⁶
g ' (7)= -35/(7-6)⁶= -35
4) y ' (x)= -60(4x-9)⁻⁴= -60/(4x-9)⁴
y ' (2)= -60/(4*2-9)⁴= -60