Find the domain and range.y = 
A. D = (-?, ?); R = [-4, ?)
B. D = (-?, ?); R = (-?, ?)
C. D = [0, ?); R = (-?, ?)
D. D = [-4, ?); R = [0, ?)
Answer: D
Mathematics
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Find the indicated vector.Let u = 
, v = 
. Find u - v.
A. 
B. 
C. 
D. 
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Write the described ratio in fractional form and simplify.Of a family's $786 weekly income, $79 usually goes toward groceries. Write as a ratio--amount spent on groceries : weekly income.
A. 
B. 
C. 
D. 
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Sketch a line passing through the point and having slope m.(-5, 5), m = - 
A. 
B. 
C. 
D. 
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Find the exact value of the square root without a calculator.-
A. 0.00050625 B. -0.01125 C. -0.15 D. 0.15
Mathematics