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Math

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Label each statement TRUE or FALSE.
a. The sum of two one-to-one functions is one-to-one.
b. The product of two one-to-one functions is one-to-one.
c. If f is a one-to-one function and k is a real number (constant), then the function g(x)=k*f(x)is one-to-one.

So I was thinking that a. True b. False c. True?????

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