Simplify by combining like terms.4x - 3y - 4 - 7x

A. -10xy
B. -3x - 3y
C. -3x - 7y
D. -3x - 3y - 4


Answer: D

Mathematics

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Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 4, a1 = 18, r = 2

A. 270 B. 126 C. 252 D. 144

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Solve the equation.-5 + s = 15

A. 20 B. -20 C. -10 D. 10

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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 

A. No x-intercepts , y-intercept: (0, -1) ; 

B. No x-intercepts , y-intercept: (0, -1) ;

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Mathematics