Round the number as indicated.2456 to the nearest ten
A. 2460
B. 2470
C. 2560
D. 2450
Answer: A
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Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = 
A. (-?, -10) ? (-10, -9) ? (-9, 0) ? (0, ?) B. (-?, -10) ? (-10, 0) ? (0, ?) C. (-?, -9) ? (-9, 0) ? (0, ?) D. (-?, ?)
Graph the numbers on the number line.-7, -5, -3, -1 
A. 
B. 
C. 
D. 
Determine both the domain and the range of the function.
A. Domain: the set of real numbers greater than or equal to 0. Range: the set of real numbers. B. Domain: the set of real numbers. Range: the set of real numbers less than or equal to 0. C. Domain: the set of real numbers less than or equal to 0. Range: the set of real numbers. D. Domain: the set of real numbers. Range: the set of real numbers greater than or equal to 0. E. Domain: the set of real numbers greater than or equal to 0. Range: the set of real numbers less than or equal to 0.
Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).x = y2 + 8y + 2
A. To the right; same B. To the left; same C. To the right; narrower D. To the right; wider