In a box-and-whisker plot, the interquartile range is a measure of the spread of the middle half of the data. Find the interquartile range for the data set: 11, 3, 9, 6, 9, 12, 14.

the answer for this question is 38

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.