Evaluate.Let a = 
i + 
j , b = 
i + 
j. Find a - b.
A. 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Answer: D
Mathematics
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Use the double-declining-balance method of depreciation. Round to the nearest dollar.Beta Graphics buys some CAD-CAM computer equipment at a cost of $8,350 and estimates the life at 10 years with a scrap value of $835. What is its book value at the end of the fourth year?
A. $3,078 B. $835 C. $3,420 D. $5,344
Mathematics
Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = -x2 + 14x - 6
A. x = -7 B. x = 43 C. x = 14 D. x = 7
Mathematics
Graph the function.y = -
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
4
A. 
B. 85
C. 3
D. 
Mathematics