Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.3(40t + 20) = 12(5t + 50)
A. Identity; {9}
B. Contradiction; {-11}
C. Conditional; {9}
D. Conditional; {-11}
Answer: C
Mathematics
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A. Not a real number
B. - 
C. 
D. - 
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Solve the combined inequality and graph the solution set. Write the solution in interval notation.4x + 7 < 7x + 4 < 14x - 1
A. 
B. ?
C. (-?, ?)
D. 
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Evaluate the expression.
A. 336 B. 6720 C. 20,160 D. 56
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 2x2 
A. 
B. 
C. 
D. 
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