Use the graph of a known basic function and a vertical stretch or a vertical compression to sketch the function.f(x) = 
|x|
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the product.(x + 3)2
A. x + 9 B. 9x2 + 6x + 9 C. x2 + 9 D. x2 + 6x + 9
Mathematics
Solve the problem.An arch in the form of a semiellipse is 52 ft wide at the base and has a height of 20 ft. How wide is the arch at a height of 12 ft above the base?
A. 41.6 ft B. 35.5 ft C. 20.8 ft D. 17.7 ft
Mathematics
Answer the question or complete the sentence to make a true statement.Under what condition will the sum of a positive number and a negative number be positive?
What will be an ideal response?
Mathematics
Graph.y ? 
A. 
B. 
C. 
D. 
Mathematics