reemoe
29.07.2019 •
Mathematics
Which of the following represent the rule y = x + 2? input x -3 -2 -1 0 1 output y -1 0 1 2 3 input x 3 4 5 6 7 output y 5 7 9 11 13
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Ответ:
the rule is
y=x+2
then
for x=-3 > y=-3+2=-1
for x=-2 > y=-2+2=0
for x=-1 > y=-1+2=1
for x=0 > y=0+2=2
for x=1 > y=1+2=3
for x=3 > y=3+2=5
for x=4 > y=4+2=6
for x=5 > y=5+2=7
for x=6 > y=6+2=8
for x=7 > y=7+2=9
the answer is
Input x -3-2-101 Output y-10123
Ответ:
Input x -3 -2 -1 0 1
Output y -1 0 1 2 3
Explanation:
Given functión y = x + 2
Choices:
1)
Input x -3 -2 -1 0 1
Output y -1 0 1 2 3
2)
Input x 3 4 5 6 7
Output y 5 7 9 11 13
You just have to use the sets of input values and find the output values with the given function:
The computes are very simple so you can tell the answer at first sight, because the output, y, is 2 units more than the input, x.
The first set of data fits the function because
x = -3 => y = -3 + 2 = -1
x = -2 => y = -2 + 2 = 0
x = -1 => y = -1 + 2 = 1
x = 0 => y = = 0 + 2 = 2
x = 1 => y = 1 + 2 = 3
That proves that the first set of data represents the given rule.
For the second set of data pick x = 4 => x + 2 = 6 but the correspondant y is 7, so that set does not represent the rule y = x + 2
Ответ:
a
Step-by-step explanation:
Two points are always collinear since we can draw a distinct (one) line through them.