Starting time2: 00 pm ending time 8: 30 what was the elapsed time

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

Which graph represents the following piecewise defined function?

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.