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jellybean6487
13.10.2019 •
Mathematics
The table shows the outputs, y, for different inputs, x:
input (x) 1 2 3 4
output (y)5 5 7 9
part a: do the data in this table represent a function? justify your answer. (3 points)
part b: compare the data in the table with the relation f(x) = 2x − 8. which relation has a greater value when x = 4? (2 points)
part c: using the relation in part b, what is the value of x if f(x) = 34? (5 points)
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Ответ:
B.
table : when x = 4...u already have that point (4,9)...so this value is 9.
relation :
f(x) = 2x - 8...when x = 4
f(4) = 2(4) - 8
f(4) = 8 - 8
f(4) = 0
so the greater values goes to the tablewith a value of 9 <==
C. f(x) = 34
f(x) = 2x - 8
34 = 2x - 8
34 + 8 = 2x
42 = 2x
21 = x <==
Ответ:
answer:
12
step-by-step explanation: