What is the slope of the line through the points (4, 2) and (-16, -6)?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

What is the y-intercept of the line given by the equation