(Choose 1 answer)
(See picture)
A. None of the other choices is correct
B. (iv)
C. (ii)
D. (i)
E. (iii)
Differentiate y = x + 9x
(i) dy/dx = 9x)-4/5
1 (ii) dy/dx = (x + 9x) 4/5(7x6 +9)
1 (iii) dy/dx = (x + 9x))-4/5(7x6+9)
(iv) dy/dx = (x²+9x)-4/5 (26+9)
Exit 49
