Which set of ordered pairs is a function?
1 answer:
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Answer:
Step-by-step explanation:
We are given the two functions:
And we want to find:
This is equivalent to:
So, evaluating f(-1) first, we acquire:
Then by substitution:
So:
Therefore:
Your answer is indeed correct.
Answer:
Write the problem as a mathematical expression.
y=−x²+18x−72
Rewrite the equation in vertex form.
y=−(x−9)²+9
Use the vertex form, y=a(x−h)2+k , to determine the values of a, h, and k.
a=−1
h=9
k=9
Find the vertex (h,k).
(9,9)
Good Luck !
Step-by-step explanation:
