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Data Are Given for Y as a Power Function of X

Question 345

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.
- 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 } = - \frac { 16 } { \mathrm { x } ^ { - 2 } } ; Power = - 2 ; constant of variation = - 16 B) y = - 16 x ; Power = 1 ; constant of variation = - 16 C) y = - \frac { 16 } { x } ; Power = - 1 ; constant of variation = - 16 D) \mathrm { y } = \frac { 16 } { \mathrm { x } ^ { 2 } } ; Power = - 3 ; constant of variation = 16


A) y=−16x−2;\mathrm { y } = - \frac { 16 } { \mathrm { x } ^ { - 2 } } ; Power =−2;= - 2 ; constant of variation =−16= - 16
B) y=−16xy = - 16 x ; Power =1= 1 ; constant of variation =−16= - 16
C) y=−16xy = - \frac { 16 } { x } ; Power =−1= - 1 ; constant of variation =−16= - 16
D) y=16x2;\mathrm { y } = \frac { 16 } { \mathrm { x } ^ { 2 } } ; Power =−3;= - 3 ; constant of variation =16= 16

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