Chapter 4 Study Guide And Review Math Worksheet With Answer Key - Cognero Page 15
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17The number of sales on day 10 of the sale should be about 65.
ANSWER:
Study Guide and Review - Chapter 4
y = 5.36x + 11; 65
Find the inverse of each relation.
51. {(7, 3.5), (6.2, 8), (–4, 2.7), (–12, 1.4)}
SOLUTION:
To find the inverse, exchange the coordinates of the ordered pairs.
(7, 3.5) → (3.5, 7)
(6.2, 8)
→ (8, 6.2)
(–4, 2.7) → (2.7, –4)
(
12, 1.4)
–
→ (1.4, –12)
The inverse is {(3.5, 7), (8, 6.2), (2.7, -4), (1.4, -12)}.
ANSWER:
{(3.5, 7), (8, 6.2), (2.7, −4), (1.4, −12)}
53.
SOLUTION:
To find the inverse, exchange the coordinates of the ordered pairs.
(–4, 2.7) → (2.7, –4)
(–1, 3.8) → (3.8, –1)
(0, 4.1) → (4.1, 0)
(3, 7.2) → (7.2, 3)
The inverse is {(2.7, -4), (3.8, -1), (4.1, 0), (7.2, 3)}.
ANSWER:
{(2.7, −4), (3.8, −1), (4.1, 0), (7.2, 3)}
Find the inverse of each function
55.
SOLUTION:
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Page 15
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