chaycebell74021
01.08.2019 •
Mathematics
Tomas created a function table using the equation y = x + 4. which table is correct?
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Ответ:
1) How to make a table
For the function y = x + 4, the variable x is the input and the variable y is the output.
A table consists of a sequence of pairs x, y.
You choose the x-values and calculate th y-values using the function.
For expample if you choose x = 3 as your input, then the output is given by the function y = x + 4, so you subsititute x = 3 and obtain y = 3 + 4 = 7.
And the table is represented as in the example below.
What you have to do is checking if all the values of the table given satisfy the equation y = x + 4.
2) Table (example):
x y = x + 4
-20 -16
-19 -15
-18 -14
-17 -13
-16 -12
-15 -11
-14 -10
-13 -9
-12 -8
-11 -7
-10 -6
-9 -5
-8 -4
-7 -3
-6 -2
-5 -1
-4 0
-3 1
-2 2
-1 3
0 4
1 5
2 6
3 7
4 8
5 9
6 10
7 11
8 12
9 13
10 14
11 15
Ответ:
a)
Given that and , the point is located between the +x and +y semiaxes.
b)
Given that and , the point is located between the -x and +y semiaxes.
c)
Given that and , the point is located between the +x and -y semiaxes.
d)
Given that and , the point is located between the -x and -y semiaxes.
Step-by-step explanation:
All points are represented in rectangular form, that is, numbers of the form and in which the following conditions are known:
1) If , then the point is located in the -x semiaxis, otherwise it is located in the +x semiaxis.
2) If , then the point is located in the -y semiaxis, otherwise it is located in the +y semiaxis.
Then, we proceed to analyze each case below:
a)
Given that and , the point is located between the +x and +y semiaxes.
b)
Given that and , the point is located between the -x and +y semiaxes.
c)
Given that and , the point is located between the +x and -y semiaxes.
d)
Given that and , the point is located between the -x and -y semiaxes.