Kiruar Moulel SPM I $\begin{array}{111}y & 34721 & \\ 17 & & \end{array}$ 17 Diagram 17 shows the graph of a curve $y=f(x)$ intersects with the straight line $y=5$ at point $A$. Given the shaded region is 18 unit $^{2}$. Find $\int_{2}^{6}[f(x)-5) d x$. Rajah 17 menuryakkan lengkung $y=f(x)$ yang bersilang dengan garis lunes y $=5$ pala tirik A. Diberi luas kowasan berionek ialah 18 unit $^{2}$. Cari $\int_{2}^{6} (f(x)-51 d x$. Diagram 17/Rajuh 17 [3 marks/3 markah Answer/Jawapan: 18 Given the gradient function of a curve is $\frac{10}(1-4 x)^{2}}$. The curve passes through $(-1$, 1), Find the equation of the curve. Diberi fungsi kecerunan suatu lengking ialah $\frac{10}(1-4 x)^{2}}$. Lengkung itu melalui $(-1,1$. Cari persamaan lengkang itu. [3 marks/3 markah Answer/Jawapan : 18 19 Diagram 19 shows a semicircle $P M N$ with centre $0$ and a radius of $9 \mathrm{-cm}$. The semicircle is divided into two parts such that the perimeter of part $B$ is twice the perimeter of part $A$. Rajah 19 memunjukkan semilulatan PMN berpusat o dan berjejari $9 \mathrm{-cm}$. Semibulatan itu dibahagikan kepada dua bahagian dengan keadaan perimeter bahagian $B$ adalah dua kali perimeter bahagian $A$. [Use/Guna $\pi=3. 1425 ) Find Cari (a) the value of $\theta$, in radian. milai $\thetas, dalam radian. (b) the area, in $\mathrm{cm} ^{2}5, of the smaller part. luas, dalam cm2, bahagian terhecil. Diagraina 10 defich 19 (4 marks/4 markah] $\mathrm{- Answerda swap it a} (a) (b)CS.SD.0531