A function f with domain $$\(x> 0\)$$ is such that $$\(\mathrm{f}^{\prime}(x)=8(2 x-3)^{\frac{1}{3}}-10 x^{\frac{2}{3}}\)$$. It is given that the curve with equation $$\(y=\mathrm{f}(x)\)$$ passes through the point $$\((1,0)\)$$. Determine, making your reasoning clear, whether f is an increasing function, a decreasing function or neither. ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ . ........................................................................................................................................................ .
Exam No:9709_w24_qp_12 Year:2024 Question No:10(c)
Answer:

Knowledge points:
1.7.4 locate stationary points and determine their nature, and use information about stationary points in sketching graphs. (Including use of the second derivative for identifying maxima and minima; alternatives may be used in questions where no method is specified.) (Knowledge of points of inflexion is not included.)
Solution:
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