Which equations have exactly one y-value for any given x-value? Select all that apply. A. y = −x
B. x = 4
C. y = x^2
D. y = x^3

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Use the multiplier method to incrases £258 by 43%

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.