Homework Answers
1.
G(-3) = 5 - (-3)2 = 5 - 9 = -4
G(u) = 5 - (u)2 = 5 - u2
G(u2) = 5 - (u2)2 = 5 - u4
2.
Degree is the highest power of x which is 3
Leading coefficient is the coefficient of highest power of x which is 3
3.
8-5x cannot be equal to 0, since denominator cannot be 0
hence, x cannot be 8/5 or, x cannot be 1.6
so domain is (-∞,∞) - (1.6)
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