examday

Official papers

Official 2020 Paper 1 · Q6

Paper 1Functions & graphs

Find the maximum value of the function

f(x)=152x−4(5x)+7f(x)=\frac1{5^{2x}-4(5^x)+7}
A17\frac17
B14\frac14
C13\frac13
D33
E44
F77

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 →