Evaluate the expression if x = 3 2(x + 5) 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

Can someone me out here number 4 plz

Find the area of the unshaded square