Verified Answer :

The answer is letter B.

When the ratio of the manipulated variable and responding variable is constant, this suggests that as one variable increases, the other variable also increases, and vice versa. This relationship displays a directly proportional one.

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danielmaduroh

The right answer is B. Direct proportion


The direct proportion is given by this equation:


\(y=kx\)


So, if we isolate \(k\), the statement of the problem written above: the relationship in which the ratio of the manipulated variable and the responding variable is constant can be written in a mathematical language as follows:


\(k=\frac{y}{x}\)


So, this constant is the one found in a direct proportion.

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