Math Problem Statement
use this graph to answer all these questions, A) What is the domain of k(x)k(x)? Give your answer using interval notation.
B) What is the range of k(x)k(x)? Give your answer using interval notation.
C) What is/are the xx-intercepts of k(x)k(x)? Give your answer(s) in coordinate form (i.e. as ordered pairs), separating multiple answers with commas as needed.
D) The zeros of k(x)k(x) are
E) k(9)k(9) =
F) k(−7)k(-7) = Correct
G) Is k(5)k(5) positive, negative, or 0?
positive
negative
0
Incorrect
H) How many times does the line y=4y=4 intersect y=k(x)y=k(x) ? Correct
I) For what value(s) of xx does k(x)=5k(x)=5 ?
J) Give the interval(s) of xx such that k(x) > 0. Use the union symbol ∪∪ between multiple intervals.
K) Give the interval(s) of xx such that k(x) < 0. Use the union symbol ∪∪ between multiple intervals.
Solution
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Math Problem Analysis
Mathematical Concepts
Functions
Domain and Range
Zeros
X-intercepts
Formulas
k(x) = 0 to find zeros
Range is determined by y-values
Theorems
Fundamentals of graph reading for functions
Suitable Grade Level
Grades 9-12
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