Evaluate without the use of a calculator.tan-1 (1)

A.
B.
C.
D.


Answer: A

Mathematics

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Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.x2 + 6x - 16

A. (x - 8)(x + 2) B. (x + 8)(x - 2) C. (x - 8)(x + 1) D. Prime

Mathematics

Which of the following physical situations would best be modeled by the graph?

A. The monthly average ocean temperature y in degrees Fahrenheit during month t, where t = 1 corresponds to January.
B. The length y of a shadow cast by a horizontal flagpole on a vertical wall between sunrise and noon, where t is the angle shown.

C. The number of hours y of sunlight during month t, where t = 1 corresponds to January.
D. The length y of a shadow cast by a tree between sunrise and noon, where t is the angle of elevation of the sun.

Mathematics

Simplify the numerical expression. 

A.
B.
C.
D.

Mathematics

The graph of the function f is shown below. Match the function g with the correct graph.g(x) = -f(-x) + 4

A.

B.

C.

D.

Mathematics