The algebraic expression has been translated to a word phrase that is ambiguous (unclear). Indicate why the translation is unclear and give a translation that is not ambiguous. 3y - 7Translation: three times y minus seven
A. Mistake: could be translated as 3 - 7y
Correct: three times y decreased by seven
B. Mistake: could be translated as 3(y - 7)
Correct: three times the difference of y and seven
C. Mistake: could be translated as 3(y - 7)
Correct: three times y decreased by seven
D. Mistake: could be translated as 3(y - 7)
Correct: seven less than three times y
Answer: D
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A. 
B. 
C. 
D. 
Decide whether or not the given equation is an identity.sin2 ? - cos2 ? = 2 cos2 ? - 1
A. Yes B. No
Write the expression as a complex number in the form a + bi.7 + 
A. 5 B. 9 + i C. 7 + 2i D. 7 - 2i
Find the inverse of the one-to-one function.f(x) = 
A. f-1(x) = 
B. f-1(x) = x - 5
C. f-1(x) = x2 + 5
D. f-1(x) = x2 - 5