Multiply.(0.1x - 0.2)2

A. 0.01x2 + 0.04x + 0.04
B. 0.01x2 - 0.04x + 0.04
C. 0.01x2 + 0.04
D. 0.01x2 + 0.04x - 0.04

Answer: B

Mathematics

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The function f is one-to-one. Find its inverse.f(x) = 7x2 + 1, x ? 0

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

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Mathematics

Decide whether or not the set is closed under addition.{2, 4, 6, 8, . . .}

A. Closed B. Not closed

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Mathematics

Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 12.97°, b = 7.34, a = 16.35

A. ? = 150°, ? = 17°, c = 9.6 B. ?1 = 30°, ?1 = 137°, c1 = 22.3 ?2 = 150°, ?2 = 17°, c2 = 9.6 C. ? = 30°, ? = 137°, c = 22.3 D. No solution

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Mathematics

Factor the sum or difference of two cubes.8 - 125x3

A. (2 + 5x2)(4 - 10x + 25x2) B. (8 - 5x)(1 + 10x + 25x2) C. (2 - 5x)(4 + 10x + 25x2) D. (2 - 5x)(4 + 25x2)

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Mathematics