AQA June 2016 Core 3 - Question 4

Video solution for AQA June 2016 Core 3 paper

[idk-vkpm]

Not worth the 6 marks 😭 !! Length of that

[umardawood]

When u do the second bit of part a meaning the stretch in sf0. 5 in x direction doesn't that make it 2(x-5) which becomes 2x-10. That doesn't match 2x-5. Shouldn't it be 2(x-5/2) as when u expand that u get 2x-5 hence translation by 5/2, 0 and stretch sf 0.5 in x direction....?