Question

Write an exponential equation with (1, 8) and (2,32)

Answer 1

y=2(4^x)

Explanation:

exponential equation in form y=ab^x

sub both point and solve

8=a(b^1)=ab...(1)

32=a(b^2)....(2)

equation (2)/(1):

32/8=b

b=4

a=2