Question

DADA A FUNÇÃO f(x)=-3x+1 CALCULE : f(-1) + f(2)=​

Answer 1

f(x) = - 3x + 1

f(-1) = - 3 . (-1) + 1

f(-1) = + 3 + 1

f(-1) = 4

f(2) = - 3 . (2) + 1

f(2) = - 6 + 1

f(2) = - 5

Espero ter ajudado.

Bons estudos.

Answer 2

$\sf f(x)=-3x+1$

$\sf f(-1)= -3(-1)+1\\\\\sf f(-1)=3+1\\\\\boxed{\boxed{\sf f(-1)=4}}$

$\sf f(2)=-3(2)+1\\\\\sf f(2)=-6+1\\\\\boxed{\boxed{\sf f(2)=-5}}$

$\sf f(-1)+f(2)= 4+(-5)\\\\\sf f(-1)+f(2)=4-5\\\\\boxed{\boxed{\sf f(-1)+f(2)=-1}}$

Resposta: f(-1) + f(2) = -1

Bons estudos.