Add or Subtract
Given: f(x)=x+5. g(x)=4x+3. h(x)=x²+7+10
m(x)= x+2 | x+5
1. (f+g)(x)
2. (h+g)(-3)
3. (h+f)(0)
4. (g-f)(5)
5. (h-g)(2)
Answers
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Answer:
1.(f+g)(x)
=x+5+4x+3
=5x+8
2.(h+g)(-3)
=(x^2+7x+10+4x+3)(-3)
=(x^2+11x+13)(-3)
=(-3)^2+11(-3)+13
=9-33+13
=22-33
= -11
3.(h+f)(0)
(x^2+7x+10+x+5)(0)
=(x^2+8x+15)(0)
=0^2+8.0+15
=15
4.(g-f)(5)
=(4x+3-x-5)(5)
=(3x-2)(5)
=3.5-2
=15-2
=13
5.(h-g)(2)
(x^2+7x+10-4x-3)(2)
=(x^2+3x+7)(2)
=2^2+3.2+7
=4+6+7
=17
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