Answer: 0
Step-by-step explanation:
(+1)+(-1)
Recall that the rule of BODMAS applies, also minus sign multiplied by the plus sign gives a minus sign
Thus, we have (+1-1)
Rewrite as (1-1) =0
Thus, the expression (+1)+(-1) equal Zero
Answer:
All real numbers except x cannot equal 10.
Step-by-step explanation: the denominator can not equal to zero that is undefined.
Answer:

Step-by-step explanation:
Given a function:

To find:
Function
whose graph is a reflection in the y -axis for the given function = ?
Solution:
First of all, let us learn about the reflection of a point (
) in y axis.
For example, let us consider a point (3, 2) on the coordinate axis.
The reflection of this point in y axis will be (-3, 2)
OR
In other words, <em>To find the image of a point in y axis</em>:
the x coordinate is made of negative sign and y coordinate remains the same.
A line is nothing but a number of points joined together.
So, if we want to find reflection of a line or linear function in y axis, we just make the sign of x as negative.
Given that 
We can write it as:

To find its reflection:

Please refer to the attached graphs of
and
.
So, the answer is:

Answer:
x=-2
Step-by-step explanation:
first, you substitute y=0, then you solve the equation for x
y=x+2
0=x+2
x=-2