Step-by-step explanation:
f(x)=x^2-4x-9
g(x)=-3x-5
so when f(g(x)) that x is a number
-3x-5 equals the number in f(x) so that x is -3x-5
f(-3x-5) and if f(x)=x^2-4x-9
then inserting in -3x-5 for x in f(x) and distrubute
(-3x-5)^2-4(-3x-5)-9
9x^2+42x+36
I hope that helps :)
Answer:
1)
2)
Step-by-step explanation:
As differential equation is not give so we consider both equations attached in figure below one by one.
Writing in terms of ∅
Substitute
Writing in terms of ∅
Substitute
Answer: a=2 b= 11/6 or 1 5/6
Step-by-step explanation:
80 would be your answer for this question