Humans can hear sounds with frequencies up to 20,000 hz, while dolphins can hear sounds as high as 150,000 hz. write these numbers in scientific notation.

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

What is the value of x? enter your answer in the box. x = two intersecting tangents that form an angle of x degrees and an angle of 134 degrees.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left