OCR H240/01 2022 June — Question 5

Exam BoardOCR
ModuleH240/01 (Pure Mathematics)
Year2022
SessionJune
TopicExponential Equations & Modelling

5
  1. The graph of \(y = 2 ^ { x }\) can be transformed to the graph of \(y = 2 ^ { x + 4 }\) either by a translation or by a stretch.
    1. Give full details of the translation.
    2. Give full details of the stretch.
  2. In this question you must show detailed reasoning. Solve the equation \(\log _ { 2 } ( 8 x ) = 1 - \log _ { 2 } ( 1 - x )\).