Determine whether each function graphed or defined is one-to-one. y = 2x³ - 1

Determine whether each function graphed or defined is one-to-one. y = -1 / x+2

Determine whether each function graphed or defined is one-to-one. y = x+4 / x-3

Determine whether each function graphed or defined is one-to-one. y = 2(x+1)² - 6

Determine whether each function graphed or defined is one-to-one. y = 5|x+2|

Determine whether each function graphed or defined is one-to-one. y = ∛(x+1) - 3

Use the definition of inverses to determine whether ƒ and g are inverses.

$f\left(x\right)=-4x+2,g\left(x\right)=-\frac{1}{4}x-2$

Use the definition of inverses to determine whether ƒ and g are inverses. f(x) = x+1/x-2, g(x) = 2x+1/x-1