What is the range of f(x) = 4x? a. all real numbers greater than or equal to 4 b. all positive real numbers c. all real numbers d. all real numbers greater than 4

The answer is all positive real numbers, just took the test.

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*