A. Approximate the real zeros of f(x) = 3x + x2 - 1 to the nearest tenth
A. -0.7,0.7
B. -7,7
b. -0.5, 0.5
d. -0.6, 0.6
Please select the best answer from the choices provided.

The real zeros of f(x) are x = 0.3 and x = -3.3.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

.

This polynomial has roots such that , given by the following formulas:

In this problem, we have that:

So

The real zeros of f(x) are x = 0.3 and x = -3.3.

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

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step-by-step explanation: