Question

determine a função referente aos pontos A(6,8) B(-1,-3)​

Answer 1

$f(x)=\frac{11x-10}{7}$

Answer 2

8 = 6a + b

-3 = -a + b

11 = 7a

a = 11/7

b = 11/7 -3

$f(x) = \frac{11}{7} \times x - \frac{10}{7}$