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The range of y = f(x) = ln (cos x) is
{y | −∞ < y 0}
{y | 0 < y 1}
{y | −1 < y < 1}
{y | 0 y 1}
If , then b =
3
9
Let f −1 be the inverse function of f(x) = x^3 + 2. Then f −1(x) =
(x + 2)^3
(x − 2)^3
The set of x-intercepts of the graph of f(x) = x^3 − 2x^2 − x + 2 is
{1}
{−1, 1}
{1, 2}
{−1, 1, 2}
{−1, −2, 2}
If the domain of f is restricted to the open interval , then the range
of f(x) = e tan x is
the set of all reals
the set of positive reals
the set of nonnegative reals
{y | 0 < y 1}
