Answer:
if you know that it is geometry so why you are asking
Answer:
Isaiah's Sister age < = 22 (x <= 22)
Step-by-step explanation:
Topic: Inequalities
You have to be able to build two unkown system equations, so let's call
I = Isaiah's Age
x = Isaiah's Sister's Age
you know that Isaiah is 10 years younger than ger sister
so you have that
I = x -10
and also you know that the sum of their ages don't exceed 34
I + x <= 34
with this information you can use substitution to find out the inequality for Isaiah's Sister's age as it follows
I + x <= 34 replacing I = x - 10 we have that
x - 10 + x <= 34 and then
2x - 10 <= 34 finding x then we have that
2x <= 34 + 10 so
2x <= 44 and we find that x <= 22
so by doing this we found that Isaiah's Sister cannot be older than 22, try doing the same for Isaiah!
Answer:
Part A -> Function
Part B -> Function
Step-by-step explanation:
<u>Concept</u>
A relationship is a function only if there's a single y value corresponding to an x value. It can have the same y value for different x values but it <em>must not have multiply y values for a single x value</em>.
Below is an example
<u>Function</u> <u>Not a Function</u>
<u>x</u> <u>y</u> <u>x</u> <u>y</u>
1 5 1 5
2 6 2 7
3 5 1 6
<u>Part A</u>
Looking at the given graph, we see that the relationship has a single y value corresponding to an x value and so it is a function.
<u>Part B</u>
If there was the same number of bacteria for two consecutive hours it would mean the same y value for different x values. So, it would still remain a function.
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</span>
Answer:
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