Simplify. Express your answer in standard form.(3x2 - 10x + 6) - (x2 - 3x + 2) + (8x2 + 5)
A. 10x2 + 7x + 9
B. -6x2 - 13x + 13
C. 10x2 - 7x + 9
D. 10x2 - 7x + 13
Answer: C
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Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. 
B. {(7, -4)}
C. {(9, 3)}
D. no solution; ?
Solve the problem.An artifact is discovered at a certain site. If it has 61% of the carbon-14 it originally contained, what is the approximate age of the artifact? (carbon-14 decays at the rate of 0.012% annually.)
A. 4119 yr B. 3250 yr C. 1789 yr D. 5083 yr
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: f(3) = 6; Absolute minimum: f(0) = 2 B. Absolute maximum: f(3) = 6; Absolute minimum: f(5) = 1 C. Absolute maximum: f(3) = 6; Absolute minimum: none D. Absolute maximum: f(7) = 4; Absolute minimum: f(0) = 2
Graph the function.f(x) = -2 - ln x
A. 
B. 
C. 
D. 