Solve.Let f(x) = 
+ 7. Find x when f(x) = 6.
A. -1
B. 1
C. 169
D. empty set
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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What will be an ideal response?
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?
A. 
B. 
C. 
D. 
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