Provide an appropriate response.Prove that the function f is not one-to-one.f(x) = x2 + 2
What will be an ideal response?
Answers may vary. Possible answer:
Find two numbers a and b for which a ? b and f(a) = f(b). Two such numbers are -1 and 1 because f(-1) = f(1) = 3. Thus, f is not one-to-one.
Mathematics
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? 1
A. 8
B. 9
C. 11
D. 4
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A. -9 B. 9 C. 10 D. -10
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Complete.5.9 ft = 
cm (Round to the nearest tenth.)
A. 179.8 B. 149.9 C. 15.0 D. 232.3
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Perform the indicated operation or operations, if possible.
+ 
A. 
B. Cannot be added
C. 
D. 
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