Slope-Intercept Form of a Line Answers
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Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan costs $50 per month and $0.02 per minute. How will the graphs of the monthly costs of the two cell phone plans compare where x represents minutes purchased in a month?
A
The prepaid phone plan will have a steeper line and lower y-intercept.B
The contracted phone plan will have the same steepness and a higher y-intercept.C
The prepaid phone plan will have a less steep line and the same y-intercept.D
The contracted phone plan will have a steeper line and same y-intercept.2
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A leaf hangs from a branch 12 feet in the air. It falls to the ground at a rate of 0.25 feet per second. Which graph could represent the leaf’s height in feet as a function of time, in seconds, after leaving the branch?
A
OptionB
OptionC
OptionD
Option3
What is the y-intercept of the function f(x) = –x + ?
A
–B
–
C
StartFraction 1 Over 3 EndFraction.D
StartFraction 2 Over 9 EndFraction.Did you find these answers helpful?
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