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  3. 3a. find the domain and range of the function. (en

3A. Find the domain and range of the function. (Enter your answer using interval notation.) h(x) = 8 x +...

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Question

Basic Math

3A.

Find the domain and range of the function. (Enter your answerusing interval notation.)

h(x) =

8
x + 7

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.   

It cannot be determined whether y is a function ofx.

3C.  

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) =

x − 6

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!

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