Choose the correct options for the following questions.
For $f(x)=x^{2}+px+1$ if f(3)=3, then p=
Difficulty: Easy
A:
3/7
B:
-2/3
C:
-7/5
D:
-7/3
The largest possible domain of the function $y=\sqrt{x-3}$ is
Difficulty: Easy
A:
$(3, \infty)$
B:
12
C:
(3, 12)
D:
$[3, \infty)$
The largest possible range of the function $y=\sqrt{x}$ is
Difficulty: Easy
A:
$(0, \infty]$
B:
$[0, \infty)$
C:
$(0, \infty)$
D:
$[0, \infty]$
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