Answer:
3
Step-by-step explanation:
So we have the function:

To evaluate the value of f(-2), substitute -2 for x. Thus:

Square first:

Multiply:

Now, subtract:

So:

And we're done!
Answer:
A scale factor is usually a decimal which scales, or multiplies, some quantity. In the equation y = Cx, C is the scale factor for x. C is also the coefficient of x, and may be called the constant of proportionality of y to x.
Answer:
- Yes if they all have equal angles, I believe they are Congruent
Step-by-step explanation:
A square is a quadrilateral in which all the four sides are equal in length and all the angles are equal. All the angles are equal to 90 degrees i.e. they are right angles. A square is also a parallelogram as the opposite sides are parallel to each other.