Which graph represents the function f(x) = (x – 5)2 + 3?
2 answers:
we have
This is a quadratic equation (vertical parabola) open up
The vertex is a minimum--------> vertex is the point
The domain of the function is all real numbers------> interval (-∞,∞)
The range of the function is the interval--------> [3,∞)
The axis of symmetry is the x coordinate of the vertex
so
the axis of symmetry is
therefore
the answer in the attached figure
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we know that
The intersection point of both graphs is a common point for both functions, for which for the same input value, both functions will have the same output value.
so
the point of intersection is
for an input value equal to
the output value for both functions is
therefore
<u>the answer is the option</u>
X= 4
Answer:
Yes, 15 people would be unusual as it falls outside of 2 standard deviation of mean.
Step-by-step explanation:
Consider the provided information.
The mean number (per group) who recognize the Yummy brand name is 12.5, and the standard deviation is 0.58.
Mean = μ= 12.5
σ = 0.58
n = 15
Yes, 15 people would be unusual as it falls outside of 2 standard deviation of mean.