3A.
Find the domain and range of the function. (Enter your answerusing interval notation.)
h(x) =
Domain
Range
3B.
Determine whether y is a function of x.
xy + x3 −2y = 0
Yes, y is a function of x.
No, y is not a function ofx.  Â
It cannot be determined whether y is a function ofx.
3C. Â
Consider the following function. Find the compositefunctions
f ∘ g
and
g ∘ f.
Find the domain of each composite function. (Enter your domainsusing interval notation.)
f(x) =
g(x) = x2
(f ∘ g)(x) =
domain=
g ∘ f)(x)=
domain=
Are the two composite functions equal?
yes or no
3D.
Evaluate the sine, cosine, and tangent of the angle. Do not usea calculator.
−60°
sin(−60°)=
cos(−60°)=
tan(−60°)=
3E.
Evaluate the sine, cosine, and tangent of the angle. Do not usea calculator.
420°
sin(420°)=
cos(420°)=
tan(420°)=
Thank you!
