If h(x) is the inverse of f(x), what is the value of h(f(x))? OO 0 1 f(x)
2 answers:
<h2>Answer:</h2>
If h(x) is the inverse of f(x), then the value of h(f(x)) is:
x
<h2>Step-by-step explanation:</h2>Inverse of a function-
The inverse of a given function is a function which reverses the action of the other function.
Also, the composition of a function and it's inverse no matter in which order they are applied always gives us the identity function.
( Identity function-- Identity function is a function which when applied to some other function always retains that function )
i.e. If h(x) is the inverse of f(x) ; then we have:
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Answer:
Test scores of 10.2 or lower are significantly low.
Test scores of 31 or higher are significantly high
Step-by-step explanation:
Z-score:
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
Significantly low:
Z-scores of -2 or lower
So scores of X when Z = -2 or lower
Test scores of 10.2 or lower are significantly low.
Significantly high:
Z-scores of 2 or higher
So scores of X when Z = 2 or higher
Test scores of 31 or higher are significantly high