Solve the system by graphing. 3x + y = 106x + 2y = 20
A. Infinite number of solutions
B. (5, -5)
C. (0, 10)
D. No solution
Answer: A
Mathematics
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A. absolute maximum is 7 at x = 0; absolute minimum is -143 at x = 5 B. absolute maximum is 6 at x = 0; absolute minimum is -157 at x = 5 C. absolute maximum is 42 at x = 0; absolute minimum is -89 at x = -4 D. absolute maximum is 14 at x = 0; absolute minimum is -89 at x = 5
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Find the domain of the rational function.f(x) = 
A. All real numbers except 0 B. All real numbers except -9 and 4 C. All real numbers except 9 and -4 D. All real numbers except 7 and -7
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Solve the equation.5(y - 8) - (4y + 5) = -2
A. - 11 B. 43 C. - 47 D. - 43
Mathematics