The third one
3(x+5) = 3 * x + 3 * 5
Answer:
36
Step-by-step explanation:
If f(8)=4 that means that if you plug 8 on as x in whatever the equation of f is you will get 4 as answer therefore (8,4) is a point on the graph
Answer: Y=mx+b
Step-by-step explanation:
M=slope
B= your y-coordinate
x = 9
Step-by-step explanation:
5x - 15 + 2x = 4x + 12
7x - 4x = 12 + 15
3x = 27
x = 9