题题Cambridge AssessmentInternational EducationCambridge International AS A LevelCANDIDATENAMECENTRECANDIDATENUMBERNUMBERMATHEMATICS9709/12Paper 1 Pure Mathematics 1February/March 20231 hour 50 minutesYou must answer on the question paper.You will need:List of formulae (MF19)INSTRUCTIONSAnswer all questions.Use a black or dark blue pen.You may use an HB pencil for any diagrams or graphs.Write your name,centre number and candidate number in the boxes at the top of the page.Write your answer to each question in the space provided.Do not use an erasable pen or correction fluid.Do not write on any bar codes.If additional space is needed,you should use the lined page at the end of this booklet;the questionnumber or numbers must be clearly shown.You should use a calculator where appropriate.You must show all necessary working clearly;no marks will be given for unsupported answers from acalculator.Give non-exact numerical answers correct to 3 significant figures,or 1 decimal place for angles indegrees,unless a different level of accuracy is specified in the question.INFORMATIONThe total mark for this paper is 75The number of marks for each question or part question is shown in brackets[]This document has 20 pages.Any blank pages are indicated.JC2303970912/RP©UCLES2023[Turn over21A line has equation y=3x-2k and a curve has equation y=x2-kx +2,where k is a constant.Show that the line and the curve meet for all values of k.9709/12/FM2332 A function f is defined by f(x)=x2-2x+5 for xER.A sequence of transformations is applied in thefollowing order to the graph of y f(x)to give the graph ofy =g(x).Stretch parallel to the x-axis with scale factorReflection in the y-axisStretch parallel to the y-axis with scale factor 3Find g(x),giving your answer in the form ax+bx+c,where a,b and c are constants.[4...............9709/12/FM23[Turn over