Answer:
10
Explanation:
y intercept is found when x is zero so we set x to zero
y=3^0+9
y=1+9
y=10
hopes this helps
Answer: 10
The y-intercept of a graph is when x=0 because it is on the y-axis. TO do this, we can plug x=0 Into the equation and find y.
[exponent]
[add]
Therefore, the y-coordinate is 10.
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