17(a)Functions Composites InversesEasy1 markf(x)=20−3xg(x)=2x64h(x)=7+2xFind f(4).AnswerGrade answerSolutionGrading criteria
17(d)Functions Composites InversesEasy2 marksSolve the equation g−1(x)=8.x=Grade answerSolutionGrading criteria