Please solve by long division and show work.

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.