Calculus
posted by Nicola .
Consider the function f(x)=x−15x^1/3.
For the following questions, write inf for ∞, inf for −∞, U for the union symbol, None if no answer exists, and separate by a comma if more than one answer exist.
a.) The domain of this function: (inf,inf) .
b.) The xintercept(s): ? and the yintercept(s): 0
c.) The critical number(s): ? .
d.) f(x) is increasing on the interval(s): ? and decreasing on:? .
e.) f(x) has a local maximum at x =11.18035 and a local minimum at x = 11.180344.
f.) f(x) is concave up on the interval(s): ? and concave down on: ? .
g.) f(x) has one point of inflection at x = 0 .
h.) The Horizontal Asymptote is y = none and the vertical Asymptote is x = none .

the function 3 9 10 3
x − x + , find the value of x for which the curve is i) rising ii) f
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