
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN: 9780079039897
Author: Carter
Publisher: McGraw Hill
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Transcribed Image Text:Consider a function machine that accepts inputs as ordered pairs.
Suppose the components of the ordered pairs are natural numbers
and the first component is the length of a rectangle and the second
is its width. The machine computes the perimeter (the distance
around a figure) of the rectangle. Thus, for a rectangle
whose length, L, is 3 and whose width, W, is 1, the input is (3,1) and
the output is 2.3 +2.1, or 8. Complete parts (a) through (c) below.
(L, W)
2L+2W
a. For each of the following inputs, find the corresponding output: (1,10), (8,3), (3,8), (√3,√3), (d,a).
The output for (1,10) is
The output for (8,3) is.
The output for (3,8) is
The output for (√3,√√3) is
The output for (d,a) is
b. Find the set of all inputs for which the output is 8.
{(0,8), (1,7), (2,6), (3,5), (4,4), (5,3), (6,2), (7,1), (8,0)}
O A. {(1,3), (2,2), (3,1))
O B. {(0,4), (1,3), (2,2), (3,1), (4,0)}
O C.
O D. {(1,7), (2,6), (3,5), (4,4), (5,3), (6,2), (7,1)}
c. Is (2,2) a possible output? Explain your answer.
O A. Yes. The input gets multiplied by 2, and both numbers in the ordered pair are even, so it is a valid
output.
O B. Yes. The function has a domain of all real numbers, so all real numbers are also valid values in
the range, or output.
O C. No. The pairs must always contain two different numbers. It does not make sense to have two of the
same number.
O D. No. The function takes ordered pairs as inputs, but the outputs are individual numbers.
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