Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.x ? x4 ? x ? x ? x3

A. x12
B. x7
C. x10
D. 10x

Answer: C

Mathematics

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Find the inverse of the function.f(x) = x3 + 3

A. f-1(x) =  
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) =  - 3

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Solve for the unknown variable.C = 2?r; C = 25.12, ? = 3.14

A. r = 4 B. r = 28.26 C. r = 157.75 D. r = 8

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Name the property illustrated by the statement.5 + (-5) = 0

A. Associative Property of Addition B. Commutative Property of Addition C. Inverse Property of Addition D. Identity Property of Addition

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Find the domain of the function.f(x) = 

A. all real numbers, or (-?, ?) B. {x|x < 2}, or (-?, 2) C. {x|x > 8}, or (8, ?) D. {x|x ? 0}, or (-?, 0) ? (0, ?)

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Mathematics