Answer: B
Step-by-step explanation: Always B
If we have y = f(x), then vertically stretching that by a factor of k gives y = k*f(x) as the new function. This means we simply stick a 3 in front of the 2^x to get our answer.
Answer: Choice C) g(x) = 3*2^x
Hi!
To solve this, we need to write an equation.
Obviously there are 7 candies in the bowl.

Add

Subtract 5/7 from both sides of the equation to find x.


x = 2
The answer is 
Hope this helps! :)
-Peredhel
D hope it helps let me know if it does