Use a calculator to work these exercises. (See Examples 1 and 2.)
High concentrations of zinc ions in water are lethal to rainbow trout. The function
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.
(a) 110
(b) 525
(c) 1960
(d) 4500
Example 1
Finance If you were a single person in Connecticut in 2013 with a taxable income of x dollars and x ≤ $500,000 then your state income tax T was determined by the rule
Example 2
Suppose the projected sales (in thousands of dollars) of a small company over the next 10 years are approximated by the function
We need at least 10 more requests to produce the solution.
0 / 10 have requested this problem solution
The more requests, the faster the answer.