The functions that are one-to-one are:
1. $f(x) = \frac{x - 1}{3x + 3}$
2. $f(x) = \sqrt{5x + 9}$
3. $f(x) = \frac{7}{4}x^2$
The functions that are not one-to-one are:
1. $f(x) = \frac{1}{2}x^3$
2. $f(x) = 3x^4 + 7x^3$
Which of the following functions are one-to-one? Select all that apply. (2 points) Responses Image with alt text: lower f left parenthesis x right parenthesis equals Start Fraction x minus 1 over 3 x plus 3 End Fraction Image with alt text: lower f left parenthesis x right parenthesis equals Root 5 x plus 9 End Root Image with alt text: lower f left parenthesis x right parenthesis equals Start Fraction 7 over 4 x squared End Fraction Image with alt text: lower f left parenthesis x right parenthesis equals one half x cubed Image with alt text: lower f left parenthesis x right parenthesis equals 3 x superscript 4 baseline plus 7 x cubed
1 answer
56 answers