Answer:
Bar graph
Step-by-step explanation:
Let's see the definition of bar graph.
Definition : Bar graph is a graph that presents categorical data with rectangular bars with heights proportional to the values that they represent. The bars can be plotted vertically or horizontally.
Here the horizontal axis represents the category and vertical axis represents the frequency.
Thank you.
Answer:

Step-by-step explanation:
So we have the two functions:

And we want to find g(f(3)).
So, let's find f(3) first:

Multiply:

Subtract:

Therefore, we can substitute -1 for f(3):

Now, find g(-1):

Multiply:

Add:

And we're done!
So:

Answer:
She is at least 51. She could be older.