The number of bacteria in a petri dish scales by a factor of 4 every hour. Initially, there are 4000 bacteria. (a) Determine an equation for the number of bacteria, N, as a function of the number of hours elapsed, t.

Factor the expression using gcf 9b+45

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices