Perplex
Content
  • Exponents & Logarithms
  • Approximations & Error
  • Sequences & Series
  • Counting & Binomials
  • Proof and Reasoning
  • Cartesian plane & lines
  • Quadratics
  • Function Theory
  • Transformations & asymptotes
  • 2D & 3D Geometry
  • Trig equations & identities
  • Probability
  • Descriptive Statistics
  • Bivariate Statistics
  • Distributions & Random Variables
  • Differentiation
  • Integration
Other
  • Review Videos
  • Formula Booklet
  • Blog
  • Landing Page
  • Sign Up
  • Login
  • Perplex
    IB Math AASL
    /
    Quadratics
    /

    Problem Bank

    [Maximum mark: 6]

    Consider the function ​f(x)=3x2−6x+k. It is given that ​f(x)​ has a single root.

    1. Show that ​k=3.

      [2]

    Now consider the function ​g(x)=ln(3−x).

    1. For the function ​g∘f, find

      (i) the domain,

      (ii) the range.

      [4]

    Ask Plex AI about this problem

    Get hints, ask questions, and work through this problem step by step

    I'm Plex, here to help with problems on this worksheet!