Let f--1 = 1/f
1 answer:
Answer:
For all real numbers x, define the function f by f(x)=0 if x≠1 and f(1)=2.
Step-by-step explanation:
The domain of f is the set of real numbers (R). To define at a point x, we need that f(x)≠0 as division by zero is undefined.
However, there is only one point x such that f(x)≠0, the point x=1.
Thus and the domain of
is the set {1}.
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Answer:
There is sufficient evidence to support the claim that the new balls have bounce heights with a mean different from 92.8292.82 inches, and it appears that the new baseballs are different
Step-by-step explanation:
Given that in previous tests, baseballs were dropped 24 feet onto a concrete surface, and they bounced an average of 92.82 inches
But new balls showed mean of 92.6 inches with s = 1.72 inches
Sample size = 23
Since sample size is less than 30 and population std deviation is not know we use t test
(Two tailed test at 5% significance level)
Mean difference =
Std error of sample mean = s/sqrt n =
Test statistic t = mean diff/std error = -3.402
df = 23-1 =22
p value = 0.002559
since p value <5% we reject H0
There is sufficient evidence to support the claim that the new balls have bounce heights with a mean different from 92.8292.82 inches, and it appears that the new baseballs are different
Answer:
B. 40 ≤ e ≤ 100
Step-by-step explanation:
In a function, the domain values are the independent variables, and are always plotted on the x-axis, while the range values the dependent variables, which are always plotted on the y-axis on a graph.
From the graph given, it shows that f is a function of e. Which is, .
Therefore, the range of the function would be: B. 40 ≤ e ≤ 100