Remove the radical by raising each side to the index of the radical.
x = 5/2
Answer for the first question:

Answer for the second question:

B because for it to be a function one X value cant have more than one Y value and B is the only one that follows the rule
Answer:
3
Step-by-step explanation:
f(x)=a*b^x - is a formula of exponential function
As we know the point (x=0; y=3) lies at the function's graph.
So we have to put in formula f(x)=a*b^x x=0 f(x)=y=3
3=a*b^0 (b^0=1) => 3=a*1 => 3=a
The answer is 6the answer is 63