Transcribed Image Text: NOTE: When using interval notation in WeBWork, remember that:

Transcribed Image Text: NOTE: When using interval notation in WeBWork, remember that:
You use ‘INF’ for oo and ‘-INF’ for -o.
And use ‘U’ for the union symbol.
Enter DNE if an answer does not exist.
1
f(x) =
x2 + 2x + 3
a) Give the domain of f (in interval notation)
b) Find the critical numbers of f.
(Separate multiple answers by commas.)
c) Determine the intervals on which f is increasing and decreasing.
f is increasing on:
f is decreasing on:
d) Use the First Derivative Test to determine whether each critical point is a relative maximum, minimum, or neither.
Relative maxima occur at æ
(Separate multiple answers by commas.)
Relative minima occur at x =
(Separate multiple answers by commas.)

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