8. The scatter plot shows a hiker's elevation above sea level over time. The equation of the trend
line shown is y = 8.77x + 686. To the nearest
whole number, predict what the hiker's elevation
will be after 145 minutes.
Hiker's Elevation
2,000
1,500
Elevation (ft)
000
500
0
30 60 90 120
Time (min)

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.