12)
Beginning with the quadratic equation y = ax2 + bx + c, Fred calculated
and then plugged that number in for
x to get a y. What is ONE reason he might have done this?
to find the vertex
to find the x-intercept
to find the y-intercept
to find the width of the parabola

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Browning labs is testing a new growth inhibitor for a certain type of bacteria. the bacteria naturally grows exponentially each hour at a rate of 6.2%. the researchers know that the inhibitor will make the growth rate of the bacteria less than or equal to its natural growth rate. the sample currently contains 100 bacteria.the container holding the sample can hold only 300 bacteria, after which the sample will no longer grow. however, the researchers are increasing the size of the container at a constant rate allowing the container to hold 100 more bacteria each hour. they would like to determine the possible number of bacteria in the container over time.create a system of inequalities to model the situation above, and use it to determine how many of the solutions are viable.

Asphere has a diameter of 10 in. what is the volume of the sphere?