If y varies directly as x, find a linear function which relates them.
-$y = 0.6$ when $x = 1.2$
A) $f ( x ) = 0.6 x$
B) $f ( x ) = 0.5 x$
C) $f ( x ) = x - 0.6$
D) $f ( x ) = 2 x$

Name: If y varies directly as x, find a linear function which relates them. -$y = 0.6$ when $x = 1.2$ A) $f ( x ) = 0.6 x$ B) $f ( x ) = 0.5 x$ C) $f ( x ) = x - 0.6$ D) $f ( x ) = 2 x$
Brand: Quizplus
Rating: 4.7 (30 reviews)

Question

Quizplus · Accepted Answer

Since y varies directly as x, y = kx. Given y = 0.6 when x = 1.2, k = 0.6/1.2 = 0.5. Thus, the function is f(x) = 0.5x.

If Y Varies Directly as X, Find a Linear Function y=0.6y = 0.6y=0.6

If Y Varies Directly as X, Find a Linear Function $y = 0.6$