Solve the equation.x +  = x + 

A. 45
B. - 
C. - 
D. - 


Answer: B

Mathematics

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Add or subtract the functions, as indicated.P(x) = 7x6 + 2x4 + 20, Q(x) = 5x6 - 3x4 - 19, R(x) = x7 + 15; Find (P - Q + R)(x).

A. x7 + 2x6 + 7x4 + 16 B. 61x10 C. x7 + 2x6 + 5x4 + 54 D. x7 + 2x6 + 5x4 + 16

Mathematics

Solve the problem.Find the missing measurement in the figure below.  a = 1.87 in.  b = 1.87 in.  c = 6.83 in.

A. z = 3.09 in. B. z = 2.19 in. C. z = 4.09 in. D. z = 4.96 in.

Mathematics

Identify the vertex and axis of symmetry of the parabola.y = 2x2 - 8x + 5

A. Vertex (-2, -3); Axis of symmetry x = -2 B. Vertex (2, 3); Axis of symmetry x = 2 C. Vertex (2, -3); Axis of symmetry x = 2 D. Vertex (-2, 3); Axis of symmetry x = -2

Mathematics

Write the partial fraction decomposition of the rational expression. Check your result algebraically. ? ?

A.
B.
C.
D.
E.

Mathematics