Answer:I'm not sure but I can either divide or multiple
Step-by-step explanation:
One example is the idea of two parts of a book that open up. Each flat part is a plane and the two planes intersect along the spine of the book.
Another example would be a wall intersecting with the floor. Both are flat surfaces.
A third example would be a laptop's screen as one plane and the keyboard as the other plane. They intersect at the hinge of the laptop.
For each example, the surface has a finite amount of area and it doesn't extend forever in all four directions. Theoretically, a plane is where the flat surface extends in all four directions infinitely. Though of course, real life has limitations but the idea is still applicable in a way.
Note how for each example, the two planes intersect to form a line. Also, each plane must be flat without bending or curving in any way.
-3(-6b+5) -3 times -6b= 18b and -3 times 5= -15 so the answer is 18b-15
Answer:
F(1)= -2
Step-by-step explanation:
Remember that when dealing with functions, it is written in the form of f(x). In this case, the x= 1, so its asking for the y value when x=1.