Determine whether the rule represents an exponential function. Explain why or why not.
y=9.7^x
a. Since the independent variable x is the base, y=9.7^x does represent an exponential function.
b. Since the independent variable x is not the exponent, y=9.7^x does not represent an exponential function.
c. Since the independent variable x is the exponent, y=9.7^x represents an exponential function.
d. Since the independent variable x is not the base, y=9.7^x does not represent an exponential function.