Find all values of a and b that make -a - x, x< -2 /(x) = { Vx + b, bx² + 1, -2 Sx<1 x21 continuous everywhere.

Elementary Linear Algebra (MindTap Course List)
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Chapter6: Linear Transformations
Section6.CR: Review Exercises
Problem 41CR: For T:P4R5, and rank (T)=3, find nullity (T).
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II. Find all values of a and b that make
-а - х,
f(x) = {bx² + 1,
Vx + b,
x<-2
-2 sx<1
x21
continuous everywhere.
Transcribed Image Text:II. Find all values of a and b that make -а - х, f(x) = {bx² + 1, Vx + b, x<-2 -2 sx<1 x21 continuous everywhere.
lim - a – x = lim bx² + 1
x→-2-
x→-2+
lim – a – (-2 – h) = lim b(-2 – h)² + 1
h→0
h→0
lim – a – (-2 –- h) = lim b (4 + 4h + 4) + 1
h→0
h→0
- a - (-2 – 0) = b (4 + 4 (0) + 4) + 1
- a + 2 = 8b + 1
a + 8b = 1
(1)
Transcribed Image Text:lim - a – x = lim bx² + 1 x→-2- x→-2+ lim – a – (-2 – h) = lim b(-2 – h)² + 1 h→0 h→0 lim – a – (-2 –- h) = lim b (4 + 4h + 4) + 1 h→0 h→0 - a - (-2 – 0) = b (4 + 4 (0) + 4) + 1 - a + 2 = 8b + 1 a + 8b = 1 (1)
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