Translate the statement into a mathematical equation.Twice a number less 2 equals 7.
A. 2(2 - x) = 7
B. 2x - 2 = 7
C. 2 - 2x = 7
D. 2(x - 2) = 7
Answer: B
Mathematics
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Determine which numbers in the set are solutions to the equation.21 - n = 19 ; {1, 2, 3}
A. 2 B. 1 C. 3 D. none of them
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Determine whether the equation has a graph that is symmetric with respect to the y-axis, the x-axis, the origin, or none of these.y = 2x4 + 8x - 4
A. y-axis only B. origin only C. x-axis only D. none of these
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Find the domain, the range, and any intercepts.
A. domain: [0, ?); range: [3, ?); intercept: (0, 3) B. domain: [0, ?); range: [0, ?); intercept: (0, 3) C. domain: (-?, ?); range: [3, ?); intercept: (0, 3) D. domain: [0, ?); range: (-?, ?); intercept: (3, 0)
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Find the indicated matrix.Let A = 
and B = 
. Find 3A + B.
A. 
B. 
C. 
D. 
Mathematics