Follow the principles of estimation to find an approximate value.Estimate by rounding to the nearest ten.47 + 53 + 79 + 29 + 75
A. 290
B. 280
C. 300
D. 283
Answer: A
Mathematics
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Perform the indicated operations and simplify the expression.
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?
A. 
B. 
C. 
D. 
E. 
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Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
Mathematics
Solve.(x2 - 8)2 + 8(x2 - 8) + 15 = 0
A. ±
, ±
B. 
, 
C. ±
D. ±
, ±
Mathematics
Answer the question about the given function.Given the function f(x) = -4x2 - 8x + 5, what is the domain of f?
A. all real numbers B. {x|x ?-1} C. {x|x ? -1} D. {x|x ? 1}
Mathematics