Find the value of df-1/dx at x = f(a).f(x) = 2x2, x ? 0, a = 3

A.
B.
C.
D. 12


Answer: A

Mathematics

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Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.x3 + 4x2 + 9x + 36 = 0

A. -, multiplicity 2; 3i
B. -4, 36i, 9i
C. -4-3i, 3i
D. -4, -, multiplicity 2

Mathematics

Graph the equation.x2 - 49y2 = 49

A.

B.

C.

D.

Mathematics

Solve for x and y in the two-compartment model.

Mathematics

The graph of an exponential function is given. Match the graph to one of the following functions.

A. f(x) = - 3-x B. f(x) = - 3x C. f(x) = 3x D. f(x) = 3-x

Mathematics