Skip to content
MathsGenie logo
Open app

Course home

  1. A Level
  2. Maths AQA
  3. Question bank

1 Pure Mathematics

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116
Question 109

A function ggg is defined by g(x)=x3x−6g(x) = \frac{x}{\sqrt{3x - 6}}g(x)=3x−6​x​.

a.

State the maximum possible domain of ggg.

[2]
b.

Use the quotient rule to show that g′(x)=3x−122(3x−6)32g'(x) = \frac{3x - 12}{2(3x - 6)^{\frac{3}{2}}}g′(x)=2(3x−6)23​3x−12​.

[4]
c.

Show that the graph of y=g(x)y = g(x)y=g(x) has exactly one point of inflection.

[5]
d.

Write down the values of xxx for which the graph of y=g(x)y = g(x)y=g(x) is concave.

[2]

1 Pure Mathematics Questions

  1. A Level
  2. /Maths
  3. /1 Pure Mathematics

Question bank