Match the term with its description. Acid A) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water

Base B) Used to measure the pH of substances by determining their hydrogen ion concentration

pH C) A compound that increases hydroxide ions (OH−) when it is dissolved in a solution

Litmus paper D) A compound that increases hydrogen ions (H+) when it is dissolved in a solution

car a and b are moving in opposite directions

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vapour or gas assuming atmospheriv pressure

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .

there are no contact forces mentioned on the list of choices that you've provided.