Which of the following is equivalent to x^-1/2

1) -1/2x
2) -√x
3) 1/√x
4) -1/2x

What is the distance between point a and b

The function f(x) = 1/6(2/5)x is reflected across the y-axis to create the function g(x). which ordered pair is on g(x)? a. (-3, 4/375) b. (-2, 25/24) c. (2, 2/75) d. (3, -125/48)

Charlene's parents deposit $500 in an account on the day she is born. the account earns a high interest rate of 9.2% compounded quarterly because charlene is not allowed to access the money until her 22nd birthday. how much money will charlene have on her 22nd birthday? a: $3,698.50 b: $5,921.31 c: $101,200 d: $ 824.58