Data Are Given for Y as a Power Function of X

question 407

Multiple Choice

Data are given for y as a power function of x. Write an equation for the power function, and state its power and constant
of variation.
-

• A) \(\mathrm { y } = 2 \sqrt [ 3 ] { \mathrm { x } } ;\) Power \(= \frac { 1 } { 3 } ;\) constant of variation \(= 2\)
• B) \(\mathrm { y } = 0.5 \mathrm { x }\); Power \(= 1\); constant of variation \(= 0.5\)
• C) \(\mathrm { y } = 2 \sqrt [ 3 ] { \mathrm { x } }\); Power \(= - 3\); constant of variation \(= 2\)
• D) \(\mathrm { y } = \sqrt { \mathrm { x } }\); Power \(= \frac { 1 } { 2 }\); constant of variation \(= 1\)