Translate the word phrase into a variable expression:

the number b is decreased by the number a.

a.) a – b
b.) b – a
c.) a + b
d.) –b – a

the correct answer is b. negative exponential growth.

step-by-step explanation:

you can tell it's an exponential function because it decreases rapidly then levels out and never touches the x-axis.

it is negative because the y-axis decreases as the x-axis increases.

therefore it is a negative exponential growth graph.

hope i !

i think its a.

hope this