Let f(x)=−9x3+9x−7 and g(x)=3x3+6x2−4x+9.
(a) Find (f+g)(x)=
(b) Find (f−g)(x)=
(c) For what constant c does the polynomial f(x)+c⋅g(x) have degree 2? c=
[more..]
Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity