Which of the following is the reciprocal parent function A.f(x)= -x^2 B.F(x)= x+1 C. F(x)=|x| D.F(x)=1/x
2 answers:
Answer: The correct option is D.
Explanation:
The reciprocal function is in the form of rational function and negative exponent form.
The parent equation of reciprocal function is,
It can be written as,
The domain of this function is all real numbers except 0 and range is all real number except zero.
Therefore, the correct option is D.
The function in option A and B are polynomial functions.
The function in option C is a modulus function.
Therefore, the options A,B and C are incorrect.
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Answer:
B) 29
Step-by-step explanation:
Given:
AC= 58
Point D and E are the midpoints of side AB and BC Respectively.
Solution:
According to Midpoint theorem which states:
"The segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side."
DE=
AC
DE=
Hence length of DE is 29.