Question

Find the exponential function f(x)=a^x whose graph goes through the point (3,8).
a= ?

Answer 1

since the function has the form: y=a^x, just plug in (3,8) to find a...

8 = a^3

can you find out what a is?

Answer 2

2?

Answer 3

yes...

Answer 4

so your function is f(x)=2^x

....:)