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  • Perplex
    IB Math AAHL
    /
    Differentiation
    /

    Problem Bank

    [Maximum mark: 7]

    Consider the function ​f​ defined by ​f(x)=√x+m​+n​ where ​n,m∈R.

    1. Find ​f′(x).

      [1]

      To earn a crown, get your answer ready before you reveal the options!

    Now consider the function ​g(x)=ex+2n. The graphs of ​f​ and ​g​ share a tangent at ​x=1.

    1. Show that ​m=4e21​−1.

      [3]
    2. Hence, find the value of ​n.

      [3]

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