Question

I need help with this?

Answer 1

y = 3(
`0.5^(x)` )

Explanation:

Exponential function has the form f(x) = k
`b^(x)` where b > 0 and b ≠ 1

~~~~~~

3 = k ×
`b^(0)` ⇒ k = 3

1.5 = 3(
`b^(1)` ) ⇒ b = 0.5

Thus, y = 3(
`0.5^(x)` )