Need the answers for this 10 points

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

Yo y do yall have 2 stars that means yall wrong bro

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)