What is the inverse of the function f(x)=19/x3

f-1(x) =  ∛(19/x).

Step-by-step explanation:

Let y = 19/x^3

y x^3 = 19

x^3 = 19/y

x = ∛(19/y)

The inverse is therefore

f-1(x) =  ∛(19/x).

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

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