1.find the constant of variation for the relationship f(x)= 30x. a.10 b.30 c. x d. f(x)
2.find the constant of variation for the relationship shown in the following table:
x 1 2 3 4
y 4 8 12 16
a.1 b.2 c.3 d.4
3.if f(x) varies directly with x, and f(x) = 8 when x = 6, write the direct linear variation equation. a. f(x) = x b. f(x) = 6x c. f(x) = 8x d. f(x) = x
4.if f(x) varies directly with x, and f(x) = 56 when x = 8, find the value of f(x) when x = 2
a.4 b.7 c.8 d.14
5.which does not show a direct variation between x and y?
a. y = b. y = 2x c. y = 0.5x d. y =