7) If the function f(x) = 8x+9 then the value of its derivative at x = 2 is
a) 25
b) 28
c) 27
d) 30
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: (C) Note the the function f(x) = x2−9 x −3. = ... As x approaches 3 from below and from above, the value of the function f(x) ... Answer: Note that f is continuous at a point a if lim.
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