Given
f
(
x
)
=
1
x
+
11
f
(
x
)
=
1
x
+
11
, find the average rate of change of
f
(
x
)
f
(
x
)
on the interval
[
9
,
9
+
h
]
[
9
,
9
+
h
]
.
your answer will be an expression involving
h
h
.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Can anyone explain to me how to do this? anything will .