Scientists measure a bacteria population and find that it is 10,000. Five days later, they find
that the population has doubled. Write a function fto represent the bacteria population, d days
after the scientists first measured it, assuming it grows exponentially,

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Which of the following parabolas opens down?