Answer:
<h3> a. the vertex represents a minimum point</h3><h3> b. f(x) = (x + 5)² - 5</h3>Step-by-step explanation:
a.
a = 1 > 0 ← that means the parabola opens up, so the vertex is minimum of the function
b.
K + 9 = 17 What does k value? k=8 k=9 k=17 k=26
2 answers:
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Answer:
x^3-x^2-11x+15
Step-by-step explanation:
Let x and y be the two numbers. We have:
Subtract the first equation from the second to get
And deduce
The two numbers are 3 and 11.