Evaluate the expression.(-4)2 + (-5)2 - 8
A. -33
B. 73
C. 33
D. -73
Answer: C
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Estimate the sum or difference by rounding each number to the nearest hundred.
A. 461 B. 400 C. 1000 D. 500
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
where x is the time in months, with 
corresponding to January, 
and 
Determine the month with the greatest total sales and give the sales in that month.
A. December; $8,800 B. March; $8,800 C. September; $3,800 D. June; $6,300
Write the augmented matrix for the system of equations. 3x - 2y + 8z= 7 5x + 7y - 2z= 32 3x - 2y + 7z= 9
A. 
B. 
C. 
D. 
Let f be a function with the given domain and range. Find the domain and range of the indicated function.Domain of f(x): [-1, 0]; Range of f(x): [0, 3] 2f
A. D: [-5, 0]; R: [0, 6]
B. D: 
; R: 
C. D: [-2, 0]; R: [0, 15]
D. D: 
; R: [0, 6]