explanatory factor, while age seems to be very irrelevant. However, I am struggling to understand by what he means by "write out the regression model", and struggling to find answers online. I also feel like I am missing some context from missed lectures, and would love to hear a tutor's take on how to best approach this question.
Could you please help me out with this, and with any other relevant comments?
Thank you!
seem to be needed along with synthetic division ... but I have no clue how to apply them. Here's an example of what I need to know how to do for my online precalculus class:
State how many imaginary and real zeros the function has.
f(x) = x^3 - 20x^2 + 123x - 216