Question
1. Write the quadratic function in standard form. f ( x ) = x 2 + 2 x +5 f ( x ) = x
1. Write the quadratic function in standard form.
f(x) =x2+ 2x+5
f(x) =
x22x+5=0
2. Find
fg
and
gf.
f(x) =
| 6 |
| x21 |
, g(x) =x+ 1
(a)
fg
(b)
gf
Find the domain of each function and each composite function. (Enter your answers using interval notation.)
| domain off | (,2)(2,0)(0,) | |
| domain ofg | ||
| domain offg | ||
| domain ofgf |
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Mathematical Analysis II
Authors: Claudio Canuto, Anita Tabacco
2nd Edition
3319127578, 9783319127576
