Which represents a quadratic function? f(x) = 2x3 + 2x2 – 4 f(x) = –7x2 – x + 2 f(x) = –3x + 2 f(x) = 0x2 + 3x – 3

Second option:

Step-by-step explanation:

A quadratic function has the form:

(Where )

You can observe that the highest exponent of a quadratic function is 2.

Then, let's check which of the options shows a quadratic function:

1)

Its highest exponent is 3, then this is not a quadratic function.

2)

Its highest exponent is 2 and , then this is a quadratic function.

3)

Its highest exponent is 1, then this is not a quadratic function.

4)

You can observe that , then this is not a quadratic function.

$12. that is my answer.

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.