Question

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

Answer 1

y=4(1/2)

Explanation:

Answer 2

y = 8 × (½)^x

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