What is the vertex of the graph of the function ()=−+f of , open x close , equals , x squared , minus 8 x plus 5?

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

This question awards 100 ! i really don’t want to fail i will also mark you !