3 years ago

Find f(-3) if f(x) = x^2. -9 -6 6 9 It's not -6!!

Mathematics

2 answers:

BaLLatris [955]3 years ago

5 0

Answer:

f(-3) = (-3)²

= -3 * -3

= 9

Step-by-step explanation:

mezya [45]3 years ago

4 0

F(-3) = (-3)²
= -3 * -3
= 9

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Sharon and Jacob started at the same place. Jacob walked 3 m north and then 4 m west. Sharon walked 5 m south and 12 m east. How

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Consider the coordinate plane:

1. The origin is the point where Sharon and Jacob started - (0,0).

2. North - positive y-direction, south - negetive y-direction.

3. East - positive x-direction, west - negative x-direction.

Then,

if Jacob walked 3 m north and then 4 m west, the point where he is now has coordinates (-4,3);
if Sharon walked 5 m south and 12 m east, the point where she is now has coordinates (12,-5).

The distance between two points with coordinates $(x_1,y_1)$ and $(x_2,y_2)$ can be calculated using formula