Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.4k + 31 = 2(2k + 12)
A. Conditional; {2}
B. Contradiction; ?
C. Identity; {all real numbers}
D. Conditional; {-2}
Answer: B
Mathematics
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A. 1
B. 
C. 0
D. 
Mathematics
Determine if the function is even, odd, or neither.g(x) = 
A. Even B. Odd C. Neither
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Without graphing the function, determine its amplitude or period as requested.y = 3 sin 
xFind the amplitude.
A. 4?
B. 
C. 
D. 3
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x? = ?4x ? 5y, y? = ?x
Solve the first-order linear system.
Mathematics