Solve Problems Involving Joint Variation
-$f$ varies jointly as s and the sum of $p$ and $t$.
A) $f = k s ( p + t )$
B) $f = \frac { k s } { ( p + t ) }$
C) $\mathrm { f } = \mathrm { ks } + \mathrm { p } + \mathrm { t }$
D) $f = k ( s p + t )$

Question

Quizplus · Accepted Answer

Joint variation means that $f$ changes in direct proportion to multiple variables. In this case, $f$ varies with $s$ and the sum of $p$ and $t$, which is correctly represented by $f = k s ( p + t )$.

Solve Problems Involving Joint Variation - fff Varies Jointly as S and the Sum Of

Solve Problems Involving Joint Variation
- $f$ Varies Jointly as S and the Sum Of