examday

tmua.me papers

tmua.me Medium Set D Paper 1 · Q11

Paper 1Functions & graphs

The function ff is defined for all real xx by

f(x)=4x−6⋅2x.f(x)=4^x-6\cdot2^x.

What is the real solution of

f(x+1)−f(x)=9?f(x+1)-f(x)=9?
A12log⁡23\dfrac12\log_2 3
B11
C12log⁡25\dfrac12\log_2 5
Dlog⁡23\log_2 3
E33

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.

Sign in to check your answerPractise the whole paper →