Illustrate Goldback's conjecture for the following number.100

A. 49 + 51
B. 50 + 50
C. 47 + 53
D. 22 ? 52


Answer: C

Mathematics

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Determine whether or not the equation is quadratic.(x + 2)2 = (2x + 5)2

A. Not quadratic. B. Quadratic.

Mathematics

For the given functions f and g, find the requested function and state its domain. Write the domain in interval notation.f(x) = 8x - 2; g(x) = 3x - 4;Find f - g.

A. (f - g)(x) = 5x - 6; (-?, ) ? (, ?)
B. (f - g)(x) = -5x - 2; (-?, ?)
C. (f - g)(x) = 11x - 6; (-?, 1) ? (1, ?)
D. (f - g)(x) = 5x + 2; (-?, ?)

Mathematics

Evaluate the expression.

A.
B.
C.
D.

Mathematics

Use the substitution-of-variable technique to solve the system analytically. -  = 2 +  = 

A. {(4, 8)}
B. {(-4, -8)}
C.
D. {(-8, -4)}

Mathematics