Write interval notation for the graph.

A. [2, 6]
B. (2, 6)
C. [-6, -2)
D. [-6, -2]


Answer: A

Mathematics

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State the domain and range of the function.f(x) = e-x + 2

A. Domain = (-?, ?); range = (-?, ?)
B. Domain = (-?, ?); range =  
C. Domain = = (-?, ?); range:  
D. Domain = (-?, ?); range = (2, ?)

Mathematics

Solve the problem.Select an appropriate graph of a twice-differentiable function y = f(x) that passes through the points (-,1) , , (0,0),  and (,1), and whose first two derivatives have the following sign patterns.y' : y": 

src="https://sciemce.com/media/4/ppg__tttt0615190936__f1q232g6.jpg" style="vertical-align: -20.0px;" />

A.

B.

C.  

D.

Mathematics

Find the exact value of y, or state that y is undefined.y = sec-1 

A.
B.
C.
D.

Mathematics

Use the properties of logarithms to evaluate the expression.eln x41

A. ex41 B. x C. x41 D. ln x41

Mathematics