Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: A
Mathematics
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Solve.A meteor circles the earth in an elliptical orbit. The major axis of the elliptical orbit is 22 × 108 miles long and the minor axis is 12 × 108 miles long. If the earth is at one focus of the orbit what is the distance from the other focus?
A. 
× 104 miles
B. 2 × 
× 104 miles
C. 2 × 
× 103 miles
D. 2 × 
× 108 miles
Mathematics
Express the given expression in simplest form with only positive exponents.y-6 ? y-2
A. y8
B. 
C. 
D. 
Mathematics
Multiply. Then simplify if possible. Assume that all variables represent positive values.9
? 4
A. 216
B. 1296
C. 36
D. 216
Mathematics
Multiply or divide as indicated.
A. 0.00022 B. 4500 C. 45 D. 450
Mathematics