enter T or F depending whether the function is one to one or not

1) a(x)= 9x

^{4}-9x2) d(x) = (3x-8)^

^{2}+93) e(x) = 9√(x+9)

4) c(x) = x-9/9+x

5) b(x) = 8x

^{3}-9xenter T or F depending whether the function is one to one or not

1) a(x)= 9x^{4}-9x

2) d(x) = (3x-8)^^{2}+9

3) e(x) = 9√(x+9)

4) c(x) = x-9/9+x

5) b(x) = 8x^{3}-9x

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1) False, because for each X, there is one value of a(x), but for any given value of a(x), there are 4 values of X.

2) False , for reason of 1) , any polynomial of even degree is not one to one function.

3) True 9√(X + 9) , square root is a positive number, only with one value,

4) True , ratio of 2 linear function is one to one, every one X there is only one value of Y.

5 ) True.

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