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July 28, 2014

July 28, 2014

Posted by **Anonymous** on Friday, December 21, 2012 at 1:15pm.

I. f is negative on (-inf, 6) and positive on (6,inf).

II. f is increasing on (-inf, 8) and positive on 8, inf).

III. f is concave down on (-inf, 10) and concave up on (10, inf).

Of the following, which has the smallest numerical value?

(a) f'(0)

(b) f'(6)

(c) f''(4)

(d) f''(10)

(e) f''(12)

- Calculus -
**Steve**, Friday, December 21, 2012 at 2:41pmi) --> f'(0) > 0

i) --> f'(6) > 0

iii) --> f"(4) < 0

iii) --> f"(10) = 0

iii) --> f"(12) > 0

so f"(4) is the only negative value

- Calculus -
**Steve**, Friday, December 21, 2012 at 2:41pmsorry, (ii) relates to f', not (i)

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