**Answer:**

28

**Step-by-step explanation:**

f(10) means replace all x's with 10. f(10) = 3(10) - 2 -> 30-2 = 28

IT SHOULD KEEP THE SAME PROPORTION AS 1/10.

For each dollar earned one tenth is saved or 1/10 and for the $52,000, the saved money is 52000/10 = $5,200

**Answer:**

5,024.08

**Step-by-step explanation:**

"And" means a decimal good tip to remember :)