Answer:
24
Step-by-step explanation:
f(x)=4x,
Let x=6
f(6) = 4*6
f(6) =24
9 is your answer. It's a simple equation.
D 138
the outside angle(x) of a triangle whose base is extended is always equivalent to the farthest 2 inside angles of the triangle.
x = 48 + 90 = 138
Hi how are you doing today Jasmine