4xy^2 - 9x + 1 is of degree 3
Function 2 has a greater y-intercept
<h3>Graphs</h3>
Graphs can be used to represent functions, equations, tables and relations
<h3>Equations</h3>
The equation of function 1 is given as:

To calculate the y-intercept, we set t to 0.
So, we have:


For the table of function 2, the y-intercept is 5.25
By comparison:
5.25 is greater than 5
Hence, function 2 has a greater y-intercept
Read more about graphs and functions at:
brainly.com/question/3939432
The percent error of Shirley's estimate is 21.74%
<h3>Calculating pecent error</h3>
Given the following parameters
- Actual length = 23 inches
- Estimated length = 18in
% error = actual-estimated/actual * 100
% error = 23-18/23 * 100
% error = 500/23
% error = 21.74%
Hence the percent error of Shirley's estimate is 21.74%
Learn more on percent error here: brainly.com/question/5493941
2 1/3 because you just add the fractions it's simple :) happy to help