Estimate the sum or difference by first rounding as indicated.Estimate by first rounding to the nearest thousand.70,278
A. 32,000
B. 32,700
C. 33,000
D. 32,800
Answer: A
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Suppose 
is a linear function with slope 8.31. Find the equation of change for f.
?
A. 
B. 
C. 
D. 
Provide an appropriate response.Change 7' 36" to decimal degree equivalent. Express the decimal to the nearest ten-thousandth.
A. 0.0100° B. 1.1267° C. 0.4167° D. 0.0119°
Find the domain and range for the function.
A. D: {-6, -4, -2, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} B. D: {-6, -4, -2, 0, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} C. D: {-6, -4, 4, 6}; R: {-4, -2, 4, 6} D. D: {-4, -2, -1, 3, 4, 6}; R: {-6, -4, -2, 2, 4, 6}
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. x + y + z = 7 x - y + 2z = 7
A. (8, -3, 2)
B. (-3z + 14, 2z - 7, z)
C. 
D. (4, 1, 2)