Answer:
c
Explanation:
An exponential function is a function where the number is raised to a constant power
exponential function is usually in the form : f(x) =
![a^(x)](https://img.qammunity.org/2022/formulas/mathematics/high-school/u2offh7qdkefdio6rpq0wl225h3n5pv693.png)
a is positive and not equal to 1
x is a real number
to determine which option is an exponential function, determine which of the options have a common ratio
Option A :
28/7 = 4
49 / 28 = 1.75
option C
12 / 4 = 3
36 /12 = 3
the correct answer is C