Answer
a. false
b. true
c. false
d. false
e. false
f. true
Work Step by Step
a: "k-1" coefficients are not constant
c: non homogenous, because of the constant
d: non linear "because of the square"
e: not second order, because of k-3
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.