A 400-gallon tank is initially full of water and is being drained at a rate of 20 gallons per minute. Complete parts (a) through (d) below. (a) Write a formula for a linear function W that gives the number of gallons of water in the tank after t minutes. W(1) =D (Type an expression using t as the variable. Do not factor.) (b) How much water is in the tank after 4 minutes? After 4 minutes, the tank contains gallons water. (c) Graph function W and identify and interpret the intercepts. Choose the correct graph below. O A. O B. Oc OD. AW 500- 500- AW 500 AW 500

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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A 400-gallon tank is initially full of water and is being drained at a rate of 20 gallons per minute. Complete parts (a) through (d) below.
(a) Write a formula for a linear function W that gives the number of gallons of water in the tank after t minutes.
W(t) =D
(Type an expression using t as the variable. Do not factor.)
(b) How much water is in the tank after 4 minutes?
After 4 minutes, the tank contains
gallons water.
(c) Graph function W and identify and interpret the intercepts. Choose the correct graph below.
O A.
B
Oc.
AW
500-
AW
500-
Q
AW
500-
Q
AW
500-
answer(s)
Transcribed Image Text:A 400-gallon tank is initially full of water and is being drained at a rate of 20 gallons per minute. Complete parts (a) through (d) below. (a) Write a formula for a linear function W that gives the number of gallons of water in the tank after t minutes. W(t) =D (Type an expression using t as the variable. Do not factor.) (b) How much water is in the tank after 4 minutes? After 4 minutes, the tank contains gallons water. (c) Graph function W and identify and interpret the intercepts. Choose the correct graph below. O A. B Oc. AW 500- AW 500- Q AW 500- Q AW 500- answer(s)
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