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MAT 1221 Survey of Calculus Section 3.1 Increasing and Decreasing Functions
HW WebAssign HW 3.1 Additional HW listed at the end of the handout (need to finish, but no need to turn in) Please do your HW ASAP. Do not wait for Tuesday to do your HW. Read 3.2 for tomorrow.
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Preview Define increasing/Decreasing Function Increasing/Decreasing Test
Increasing/ Decreasing Functions x y t s
Increasing/ Decreasing Test
x y a b
x y a b
x y a b
x y a b
How to find the intervals of increasing and decreasing? x y a c b >0 =0 <0
Increasing/ Decreasing Test x y a c b >0 =0 <0
Increasing/ Decreasing Test The critical numbers divided the interval into subintervals. x a c b
x Increasing/ Decreasing Test a c b
Example 1 Find the intervals of increasing and decreasing of
Example 1 1. Find the critical numbers
Example 1 2. Sketch a diagram of the subintervals formed by the critical numbers
Expected Solution Steps
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