How much of Earth is covered in water? A 50%B 75%C 25%D. 25%
2 answers:
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Since we were given only one point, we have to test each exponential function for the point 
Since exponential functions are of the form
, The correct option is between option A and option C.
For option A,
On substitution, we have;
.
Since the point satisfied the exponential function, the exponential function goes through it.
Hence the correct answer is option A.
No need to test for option C again.
Since exponential functions are of the form
For option A,
On substitution, we have;
Since the point satisfied the exponential function
Hence the correct answer is option A.
No need to test for option C again.