Estimate the sum or difference by rounding each number to the nearest ten.
A. 100
B. 138
C. 140
D. 130
Answer: D
Mathematics
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Determine which numbers in the set are whole numbers.
9, -7, 0, 
, -15, 20, 
A. 9, 0, 
, 20
B. 9, 0, 20
C. 9, 0, 
, 20, 
D. 9, -7, 0, -15, 20
E. 9, 20
Mathematics
Graph.f(x) = - 
x2
A. 
B. 
C. 
D. 
Mathematics
Multiply. Write the answer as a mixed number as needed.
A. 
B. 
C. 
D. 2
Mathematics
Use the graph of the function f, plotted with a solid line, to sketch the graph of the given function g.g(x) = f(x) + 1
A. 
B. 
C. 
D. 
Mathematics