Mathematics Past Questions and Answers

At what value of \(x\) is the function \(y=x^2-6 x-7\) minimum

Find the range of:<br/>\[<br/>45,\ 32,\ 18,\ 50,\ 27<br/>\]

Evaluate:<br/>\[<br/>\log____________{3}(81)+\log____________{2}(8)<br/>\]

Simplify:<br/>\[<br/>\log____________{5}(125)+\log____________{10}(100)<br/>\]

Find the mode of:<br/>\[<br/>4,\ 5,\ 7,\ 5,\ 9,\ 5,\ 11,\ 7<br/>\]