Question

Find the equation of the exponential function represented by the table below:
x y
0 5
1 15
2 45
3 135

y=

Answer 1

Answer:

y=5·3x

Step-by-step explanation:

x=0, y=5:

5=a·b↑0 a=5

x=1, y=15:

15=5·b↑1

b=15/5=3