Given f(x) = 
+ 6x.
(a) Find the intervals on which f is increasing or decreasing.
(b) Find the relative maxima and relative minima of f.
a. (a) Increasing on (?3, ?),
decreasing on (?? , ?3)
(b) Rel. min. f(?3) = ?9
b. (a) Increasing on (?? , ?3),
decreasing on (?3, ?)
(b) Rel. max. f(?3) = ?9
c. (a) Increasing on (?6, ?),
decreasing on (?? , ?6)
(b) Rel. min. f(?6) = 0
d. (a) Increasing on (?? , ?6),
decreasing on (?6, ?)
(b) Rel. max. (f(?6) = 0
a. (a) Increasing on (?3, ?),
decreasing on (?? , ?3)
(b) Rel. min. f(?3) = ?9
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Find the slope of the curve for the given value of x.y = x2 + 5x, x = 4
A. slope is - 
B. slope is 
C. slope is -39
D. slope is 13
List all the elements of B that belong to the given set.B = {11, 
, -14, 0, 
, 
, 0.37, -5?, 0.444......}Positive rational numbers that are not integers
A. 11, 0.37, 0.444.....
B. 0.37
C. 
, 0.37, 0.444.....
D. 0.37, 0.444.....
Identify the place value of the specified digit.7 in the number 7,816
A. tens B. hundreds C. thousands D. millions