77. Costs A company finds that its total costs are related to the amount spent on training programs by 1000 + 60x T(x) = 4x + 5 where T(x) is costs in thousands of dollars when x hundred dollars are spent on training. Find and interpret T' (x) if the fol- lowing amounts are spent on training. (a) $900 (b) $1900

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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77. Costs A company finds that its total costs are related to the
amount spent on training programs by
1000 + 60x
T(x) =
4x + 5
where T(x) is costs in thousands of dollars when x hundred
dollars are spent on training. Find and interpret T' (x) if the fol-
lowing amounts are spent on training.
(a) $900
(b) $1900
Transcribed Image Text:77. Costs A company finds that its total costs are related to the amount spent on training programs by 1000 + 60x T(x) = 4x + 5 where T(x) is costs in thousands of dollars when x hundred dollars are spent on training. Find and interpret T' (x) if the fol- lowing amounts are spent on training. (a) $900 (b) $1900
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