Algebra 1
0.4 Identity functions VLL
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Look at this set of ordered pairs:
(17, 0)
(15,-3)
(5.3)
(16, 11)
Is this relation a function?
yes
no
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At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000