1.-Let the sequence: 1, 4, 7, 10, .... Then a100 =
a) 300
b) 298
c) 296
d) None of them
2.- Let the sequence: 8, 4, 2, 1,... Then a10 =
a) 1/64
b) 1/32
c) 1/128
3.-
a) ∞
b) 0
c) -∞
4.-
5.-
a) e
b) e-2
c) e-3
d) e-21
6.- Let . Then the limit of f as x approaches 0 is:
a) 0
b) -2
c) 2
7.-
a) -4/6
b) 2/3
c) -2/3
d) 0
8.- The asymptotes of the function: , are:
a) y = x, x = 0
b) y = x + 1, x = 0
c) y = 0, x = 0
9.- The asymptotes of the function: , are:
a) y = 0, x = 2
b) y = 1, x = ±2
c) y = 0, x = ±2
10.- Study the continuity of the function:
a) f is continuous in R
b) f is continuous in R - {-1,1,2}. In x = -1, f has a jump discontinuity, with jump 2, in x = 1, f has a removable discontinuity and in x = 2, f has an infinite jump discontinuity.
c) f is continuous in R - {-1,2}. In x = -1, f has a jump discontinuity, with jump 2, and in x = 2, f has an infinite jump discontinuity.
d) f is continuous in R - {1,2}. In x = 1, f has a removable discontinuity and in x = 2, f has an infinite jump discontinuity.
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