Answer:
the answer would be (4) or y=x+5
Step-by-step explanation:
-4+5 = 1 y=1 check
0+5=5 y=5 check
and so on.
Answer:
X = -4 and Y = 1 (sorry if wrong im only in 6th grade ;(
Step-by-step explanation:
X - 7Y = -11 ......(i)
5X + 2Y = -18 ........(ii)
multiply equation (i) by 5 we get 5X - 35Y = -55 ....(iii)
subtract equation (ii) from (iii)
we get -37Y = -37 ⇒ Y = 1
now put the value of Y from above in equation (i)
we get X = -4
if you look at the part where the first part connects with the second part:
y = 5 if x < - 2
y = -2x + 1 if -2 ≤ x < 1
we don't have a discontinuity there, so there shouldn't be a dot.
<h3>
</h3><h3>
What is wrong with the graph?</h3>
When we graph over intervals like (a, b) or [a, b] or something like that, we use dots to define the end of the intervals, and to denote that the function ends abruptly or we have a jump.
In this case, you can see that between the end and the second part and the beginning of the third part there is a jump, so the use of dots is correct there, but if you look at the part where the first part connects with the second part:
y = 5 if x < - 2
y = -2x + 1 if -2 ≤ x < 1
we don't have a discontinuity there, so there shouldn't be a dot.
That is the only error with the graph.
If you want to learn more about piecewise functions:
brainly.com/question/3628123
#SPJ1
Well you never sent a picture but the most logical answer is 80 cm
