Tolong bantu jawab Materi Fungsi Komposisi Matematika Wajib kelas 11 f(x) = 2x-1 g(x) = x² -3x-10 tentukan (f•g) (x) (g•f) (x) (g•g) (x) Dengan penjelasan lengkap dan bahasa sederhana

<p>f(g(x))=2(x^2-3x-10)-1-------&gt;subtitusi</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =2x^2-6x-20-1</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =2x^2-6x-21</p><p>g(f(x))=(x+2)(x-5)-------&gt;di faktorkan(x²-3x-10)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =(2x-1+2)(2x-1-5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = (2x+1)(2x-6)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =4x²-12x+2x-6</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =4x²-10x-6</p><p>g(g(x))=(x+2)(x-5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=(x²-3x-10+2)(x²-3x-10-5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=(x²-3x-8)(x²-3x-15)-----------&gt;kali massue</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=x⁴-3x³-15x²-3x³+9x²+45x-8x²+24x+120</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=x⁴-6x³-14x²+69x+120</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</p>