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Timed Test For
Writing linear functions word problems
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Sample Problem
Mr. Mole left his burrow that lies below the ground and started digging his way deeper into the ground, descending at a rate of $1.8$ meters per minute. After $5$ minutes, he was $13.5$ meters below the ground. Let $A(t)$ denote Mr. Mole's altitude relative to the ground $A$ (measured in meters) as a function of time $t$ (measured in minutes). **Write the function's formula.** $A(t)=$ [[☃ expression 1]]
Mr. Mole left his burrow that lies below the ground and started digging his way deeper into the ground, descending at a rate of
1.8
1.8
1
.
8
meters per minute. After
5
5
5
minutes, he was
13.5
13.5
1
3
.
5
meters below the ground.
Let
A
(
t
)
A(t)
A
(
t
)
denote Mr. Mole's altitude relative to the ground
A
A
A
(measured in meters) as a function of time
t
t
t
(measured in minutes).
Write the function's formula.
A
(
t
)
=
A(t)=
A
(
t
)
=
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)