Change the equation to standard form.
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What will be an ideal response?


Mathematics

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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = sin-1(x2 + y2)

A. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers -  ? z ? ; level curves: circles with centers at (0,0) and radii r, 0 < r ? 1
B. Domain: all points in the xy-plane; range: all real numbers; level curves: circles with centers at (0, 0)
C. Domain: all points in the xy-plane; range: real numbers -  ? z ? ; level curves: circles with centers at (0, 0)
D. Domain: all points in the xy-plane satisfying x2 + y2 ? 1; range: real numbers -  ? z ? ; level curves: circles with centers at (0, 0)

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Mathematics

Evaluate the factorial expression.19!

A. 6.4024 × 1015 B. 1.2165 × 1017 C. 2.4330 × 1017 D. 6.0825 × 1016

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Mathematics

Choose the graph that represents the given function without using a graphing utility.f(x) = 

A.

B.

C.

D.

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Mathematics

A value of sinh x or cosh x is given. Use the definitions and the identity  to find the value of the other indicated hyperbolic function.cosh x = , x < 0, sech x =

A.
B. - 
C. - 
D.

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Mathematics