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Answer:
Exponential.
Explanation:
Exponential is the best choice because the graph is increasing geometrically. This means that the parent function of the equation looks like this:
![f(x) = a(b)^(x)](https://img.qammunity.org/2021/formulas/mathematics/high-school/tuicrr0x6s5fw5zeqs2qra2e1wdgp0r0ej.png)
The shape of this equation will resemble an curve that has a horizontal asymptote that the graph will not intersect.
We can also narrow down each choice:
a) Quadratic. Incorrect because the graph pictured is not a parabola.
b) Linear. Incorrect because the rate of change is not constant, and the graph is not a straight line.
c) Most probable answer.
d) Incorrect.