Use a calculator to work these exercises. (See Examples 9 and 10.) Water Pollution High concentrations of zinc ions in water are lethal to rainbow trout. The function f ( x ) = ( x 1960 ) − .833 gives the approximate average survival time (in minutes) for trout exposed to x milligrams per liter (mg/L)of zinc ions. Find the survival time (to the nearest minute) for the given concentrations of zinc ions. 110 525 1960 4500
Use a calculator to work these exercises. (See Examples 9 and 10.) Water Pollution High concentrations of zinc ions in water are lethal to rainbow trout. The function f ( x ) = ( x 1960 ) − .833 gives the approximate average survival time (in minutes) for trout exposed to x milligrams per liter (mg/L)of zinc ions. Find the survival time (to the nearest minute) for the given concentrations of zinc ions. 110 525 1960 4500
Solution Summary: The author calculates the survival time for 110 milligrams per liter of zinc ions by using the function f(x).
Use a calculator to work these exercises. (See Examples 9 and 10.)
Water Pollution High concentrations of zinc ions in water are lethal to rainbow trout. The function
f
(
x
)
=
(
x
1960
)
−
.833
gives the approximate average survival time (in minutes) for trout exposed to x milligrams per liter (mg/L)of zinc ions. Find the survival time (to the nearest minute) for the given concentrations of zinc ions.
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