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We need to learn to read a graphl
The graph of a rocket shot straight up from the edge
—d.
h(ft)
100
Questions one might ask. For each question mark the
letter on the graph and answer the question.
:
-~
of a tall building.
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t2 C’
..4!
a. How long
does it take t~
hit thefl
groi4nd?
~-bt&evcep&
4~O
at t.tcJ
b. Howtallisthe building? 120 ft
a:
a ~
5
t(sec)
a-do main a P prok/em
This graph h(t) is the graph of the height of an
s_intercept
How high does it go? Z 1~6 £L
~1,cfie5t
t
d. Wh is the d main of this proble
ends gflien 1+htfr jvu eground? gr25~c
e. When is the object 140 feet o t
/7appnfr 64’KQ
~ Qitc
f. Where is the object at 4 seconds?
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1 —7
—
c.
object in feet at time t. The object has been
thrown up in the air from a tall building. The t-axis
is in seconds (1 sec per tic) and the h-axis is the
distance the object is from the ground in feet.
(20 ft per tic)
I)
This is a graph of f(x). It ends at the endpoints
shown. -3
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a—,
&
S
S
Mark each letter on the appropriate part of the
graph and answer the questions. Answers are
LS~
approximate. Use units.
a. Domain [low x-value, high x-valuel
r~.3 ç)
b. Range [low y-value, high y-valuel
~ 3]
.
S
S
.
e.
-.3 liJJt&i )~;—I~ ~J —3
x-intercePts (ordered pairs) (-3,ODICL to) (5.2, a)
ihere ~e3~c~em.
y-intercept (ordered pair) &r2)
f.
when f(x)
c. f(-1)
d.
S
.
=
rhev4
/
1, what is the value of x?
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