Quais são os zeros(ou raízes) da função quadrática f(x) = x² + 3x - 4? Assinale a alternativa correta. * a) 2 e 3
b) 1 e - 4
c) 3 e 4
d) 4 e -1

Given:

The quadratic function is:

To find:

The zeros of the given quadratic function.

Solution:

We have,

Splitting the middle term, we get

For zeros, .

Therefore, the correct option is (b).

what are ur choices?

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.