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
29.99-20%= 23.99
25.00-10%= 22.50 so, Mr.chang got the better deal ( but not by much.)
If you take 0.98 and multiply by 2.5 you get 2.45 so there is no better deal. ☺
6x - 4(x + 3)
6x -4x -12. Distribute
2x - 12. Combine like terms
Answer:
5x+3
Step-by-step explanation:
substitute x for the unknown number