Question

Find the exponential equation that passes through the points (0,8) and (4,1/2).

Answer 1

Answer:

y=4(1/2)

Step-by-step explanation:

Answer 2

Answer:

y = 8 × (½)^x

Step-by-step explanation:

y = a(b^x)

8 = a(b⁰)

a = 8

y = 8(b^x)

½ = 8(b^4)

1/16 = b⁴

b = ½

y = 8 × (½)^x