Graph the function f(x) = 21(0.5)x. an exponential graph decreasing from the left and crossing the y axis at 0 comma 5
an exponential graph decreasing from the left and crossing the y axis at 0 comma 21
an exponential graph decreasing from the left and crossing the y axis at 0 comma 18
an exponential graph decreasing from the left and crossing the y axis at 0 comma 8

B

Step-by-step explanation:

(so that poeple know previos person messed up and said that in comments i didnt want any1 els to have that mistake.)

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)