Question

Write an exponential function y = a(b)" whose graph passes through the given

points,
(-1,2),(2,54)

Answer 1

y = 6 * 3ˣ

Explanation:

y = a * bˣ

(-1 , 2): 2 = a * (b)⁻¹ = a/b a = 2b

(2 , 54) 54 = a * b² = 2b * b² = 2b³

b³ = 54/2 = 27 b = 3

a = 6

Function: y = 6 * 3ˣ