Which of the following represent Exponential Decay? Choose all that apply. Group of answer choices

LaTeX: y=\left(\frac{3}{2}\right)^xy = ( 3 2 ) x

LaTeX: y=3^{-x}y = 3 − x

LaTeX: y=\left(\frac{7}{8}\right)^xy = ( 7 8 ) x

LaTeX: y=1.2^x

europa2433

europa2433

step-by-step explanation:

the answer is a if my teacher taught me correct

.95

step-by-step explanation:

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true