The expression 35 + 45x represents a train's distance, in miles, from a terminal after x hours of travel.

how far was the train from the terminal at the beginning of its journey?

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.