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Topic: [ap-calculus] Number System
Replies: 2   Last Post: Oct 17, 2012 5:49 PM

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 Lisa Parrish Posts: 198 Registered: 12/6/04
RE: [ap-calculus] Number System
Posted: Oct 17, 2012 2:48 PM

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I am working in the new, 9th edition, of D & S and am stuck on free response question 4(c). The tangent line is
y-7=10(x-3) and I cannot understand where the ten comes from. W'(x) should be the derivative of an integral, which I believe is the integrand evaluated at the upper bound, which gives me w'(x)=g(f(x)), yet w'(3)=g(f(3))=2. Any help would be appreciated!
Lisa Parrish
Lake Highland Preparatory School
Orlando, FL

-----Original Message-----
From: Debbie Bricker [mailto:dbricker@cathedralcatholic.org]
Sent: Wednesday, October 17, 2012 1:25 PM
To: AP Calculus
Subject: [ap-calculus] Number System

NOTE:
This ap-calculus EDG will be closing in the next few weeks. Please sign up for the new AP Calculus Teacher Community Forum at https://apcommunity.collegeboard.org/getting-started
and post messages there.
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We are having this discussion among our department....which is correct?
1) Number System having two subsets: Real(rational and irrational) and Imaginary(which includes complex numbers) OR

2) Complex Number System having two subsets: Real and Imaginary
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