Homework Help: Math

Posted by Marshall on Friday, July 20, 2012 at 2:42am.

A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks

-how many problems per hour can a student solve at the beginning of the course

- how many problems per hour can a student solve halfway through the course

-at what rate is the students problem speed increasing 6 weeks into the course

Math - Reiny, Friday, July 20, 2012 at 8:21am
at the beginning --- > t = 0
f(0) = 50 - 50e^0 = 0

half-way through course --- > t=10
f(10) = 50 - 50e^2 = -319

your equation makes no sense
Your function is a decreasing function.
Why would the student's speed decrease as the course progresses ?

Check for typo.
calc - Marshall, Friday, July 20, 2012 at 1:46pm
how to figure out rate

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