1. Let f: [1,6] → R be defined by f(x) = 2 + x² for 0 ≤ x ≤ 3 and f(x) = 4-x for 3< x≤ 6. Let P = {1,3,4,6}. Find L(f, P) and U(ƒ, P). 2. Let f: [0, 1] → R be defined by f(x) = -4. Prove, directly from the definition, that f is integrable.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.3: Factorization In F [x]
Problem 24E
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1. Let f: [1,6]→→ R be defined by f(x) = 2 + x² for 0 ≤ x ≤ 3 and f(x) = 4 - x for
3< x≤ 6. Let P = {1,3,4,6}. Find L(f, P) and U(f, P).
2. Let f [0, 1] → R be defined by f(x) = -4. Prove, directly from the definition, that
f is integrable.
Transcribed Image Text:1. Let f: [1,6]→→ R be defined by f(x) = 2 + x² for 0 ≤ x ≤ 3 and f(x) = 4 - x for 3< x≤ 6. Let P = {1,3,4,6}. Find L(f, P) and U(f, P). 2. Let f [0, 1] → R be defined by f(x) = -4. Prove, directly from the definition, that f is integrable.
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