The mirror in Carl's flashlight is a paraboloid of revolution. If the mirror is 6 centimeters in diameter and 2.5 centimeters deep, where should the light bulb be placed so it is at the focus of
the mirror? Report your answer to two decimal places.
What does this dimension mean (above or below what location on the parabola)?

Step-by-step explanation:

Tara is considering choosing either anthropology or economics as her college major, and she’s wondering how her SAT scores compare to those of her peers in either major. Tara finds some data on the SAT scores of anthropology and economics major at her school. The data is shown in the 2 plots below.

For ___ majors, the mean SAT score is greater than the median.

The ___ majors have greater median SAT score.

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.

3/6   and 9/18

step-by-step explanation: