Question

F(x)=2x-1
g (x) = x² +3
h(x) = 3x+2

tentukan :
1. (F+g) (x)
2. (F+h) (x)
3. (9-F) (x)
4. (h.f) (x)
5 (9-4) (x)


bantu jawab yg benar besok dikumpul​

Answer 1

Penjelasan dengan langkah-langkah:

f(x) = 2x-1

g(x) = x²+3

h(x) = 3x+2

maka

1) (f+g)(x) = 2x-1+x²+3

= x²+2x+2

2) (f+h)(x) = 2x-1+3x+2

= 5x+1

3) (g-f)(x) = x²+3-(2x-1)

=x²-2x+4

4) (h.f)(x) = (3x+2)(2x-1)

= 6x²-3x+4x-2

= 6x²+x-2

5) (g-4)(x) = (x²+3)-4

= x²-1