Answer:
49
Explanation:
hey there,
< The question is asking:
f(x) =
and x = 2
It looks like f(x) = 7x, so in the future make sure to put "^" so people know it's an exponent.
Plug in x = 2 into the exponent.

49 is your final answer. >
Hope this helped! Feel free to ask anything else.