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Math 150A Midterm #2. October 17, 2005
Attention! Please, note that this is the closed book test. You are not allowed to use graphing
calculator. Simple calculators are allowed. Please, show all important steps in you solution but do
not make your solution excessively long.
1. Use the definition to verify if the given function is continuous at a specified
point
a) (5pt) the function
f(x) =
x2
 2x + 1
x2  1
at x = 1;
b) (10pt) the function
g(x) =
