Check to see if the given number is a solution for the equation.-2(x + 13) + 4x = 4(x - 13) + 2; check x = 12
A. 12 is not a solution.
B. 12 is a solution.
Answer: B
Mathematics
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Sketch the graph of a function y = f(x) that satisfies the given conditions.f(0) = 2, f(1) = -2, f(-1) = -2, 
f(x) = 0.
What will be an ideal response?
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What is the hydrogen ion concentration of a 0.2 N solution of acetic acid if the dissociation is only 1%?
A. 0.002 mol/L H+ B. 0.02 mol/L H+ C. 2 mol/L H+ D. 0.2 mol/L H+
Mathematics
Solve the equation.5x(x + 2) = (4x - 6)(x + 2)
A. 6 B. -6 C. 2, 6 D. -2, -6
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Solve the problem.If f varies jointly as q2 and h, and f = 144 when q = 4 and h = 3, find q when f = 72 and h = 6.
A. 3 B. 6 C. 4 D. 2
Mathematics