Question

Which of the following functions are one-to-one? Select all that apply.
a) lower f left parenthesis x right parenthesis equals x superscript 3 baseline minus 7Image with alt text: lower f left parenthesis x right parenthesis equals x superscript 3 baseline minus 7

b) lower f left parenthesis x right parenthesis equals x superscript 2 baseline minus 4
Image with alt text: lower f left parenthesis x right parenthesis equals x superscript 2 baseline minus 4

c) lower f left parenthesis x right parenthesis equals Start Fraction 1 over 8 x minus 1 End Fraction
Image with alt text: lower f left parenthesis x right parenthesis equals Start Fraction 1 over 8 x minus 1 End Fraction

d) lower f left parenthesis x right parenthesis equals Start Fraction 5 over x superscript 4 baseline End Fraction
Image with alt text: lower f left parenthesis x right parenthesis equals Start Fraction 5 over x superscript 4 baseline End Fraction

e) lower f left parenthesis x right parenthesis equals Start Absolute Value x End Absolute Value

Answer 1

only 2 answers are allowed

Answer 2

Find the inverse function for lower f left parenthesis x right parenthesis equals left parenthesis x plus 1 right parenthesis superscript 3 baseline minus 2.

Answer 3

Determine the domain and range for the inverse of lower f left parenthesis x right parenthesis equals Start Fraction 1 over x End Fraction plus 5.

Answer 4

choices
domain: left parenthesis negative infinity comma negative 5 right parenthesis union left parenthesis negative 5 comma infinity right parenthesis
range: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis

domain: Image with alt text: left parenthesis negative infinity comma negative 5 right parenthesis union left parenthesis negative 5 comma infinity right parenthesis range: Image with alt text: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis

domain: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis
range: left parenthesis negative infinity comma negative 5 right parenthesis union left parenthesis negative 5 comma infinity right parenthesis

domain: Image with alt text: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis range: Image with alt text: left parenthesis negative infinity comma negative 5 right parenthesis union left parenthesis negative 5 comma infinity right parenthesis

domain: left parenthesis negative infinity comma 5 right parenthesis union left parenthesis 5 comma infinity right parenthesis
range: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis

domain: Image with alt text: left parenthesis negative infinity comma 5 right parenthesis union left parenthesis 5 comma infinity right parenthesis range: Image with alt text: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis

domain: left parenthesis negative infinity comma 0 right parenthesis union left parenthesis 0 comma infinity right parenthesis
range: left parenthesis negative infinity comma 5 right parenthesis union left parenthesis 5 comma infinity right parenthesis