Answer:
y=2x
Step-by-step explanation:
Direct variation is such that y=kx where k is the rate of change. In direct variation the graph must cross the origin (0,0) meaning that the y-intercept is zero. The only equation that satisfies the definition of direct variation is y=2x.
28.95 is 14.7 greater than 14.25
Q(3) = -2(3)+2 = -4
r(q(3)) = (-4)^2-1 = 15
She improved about 4.3 words per min each week
