| 8− x3 | ||
a) lim(x−>2) | ||
| 12−3x2 |
| x2−2x−8 | ||
b) lim(x−>−2) | ||
| x2−x−6 |
| x3−1 | ||
c)lim(x−>1) | ||
| 4x2−7x+3 |
| 9x2−1 | ||
d) lim(x−>13 | ||
| 3x2+2x−1 |
| 25x−x3 | ||
e)lim(x−>5) | ||
| x2−4x−5 |
| x3+3x2−4x | ||
f)lim(x−>−4) | ||
| x2+7x+12 |
| 16x3−2 | ||
g)lim(x−>12 | ||
| 8x2−6x+1 |
| 23 − x3 | ( 2 − x)*(4 + 2 x + x2) | |||
a) f(x) = | = | = | ||
| 3*( 4 − x2) | 3*( 2 − x)*( 2 + x) |
| 4 + 2 x + x2 | ||
= | ||
| 3*( 2 + x) |
| 4 + 2*2 + 22 | 3*4 | |||
lim f(x) = | = | = 1 | ||
| 3*( 2 + 2) | 3*4 |
| (x − 4)*(x + 2) | x − 4 | |||
b) f(x) = | = | |||
| ( x −3)*( x +2) | x − 3 |
| − 2 − 4 | 6 | |||
lim f(x) = | = | |||
| − 2 − 3 | 5 |