Question

Sendo f(x) = -3x+9 e g(x) =x2-x+1 calcule o valor de f(-3) + g(-2)

Answer 1

f(x) = -3x+9

f(-3) = -3.(-3) + 9
f(-3) =  9 + 9
f(-3) = 18

g(x) =x2 - x + 1
 
g(-2) = (-2)² - (-2) + 1
g(-2) = 4 + 2 + 1
g(-2) = 7
f(-3) + g(-2)
18 + 7
25

Answer 2

-3.(-3)+9 
9 + 9 
F= 18

(-2).2-(-2)+1
-4+2+1
-2+1
G= -1

18+(-1)= 17
18-1
17