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Mathematics 21 Online
OpenStudy (anonymous):

MEDAL AND FAN!!!!! What is the equation of a horizontal line passing through the point (2, 10)

OpenStudy (anonymous):

y = 10

OpenStudy (anonymous):

another question

OpenStudy (anonymous):

np

OpenStudy (anonymous):

Consider a graph of the equation y = 4x − 5. What is the y-intercept

OpenStudy (anonymous):

is it -5

OpenStudy (anonymous):

im just making sure

OpenStudy (anonymous):

Rosa is saving money for a trip. She has already saved $250 and plans to save $40 per week. This situation can be represented by the function f(x) = 250 + 40x, where x is the number of weeks. How much money has Rosa saved after 6 weeks

OpenStudy (eyust707):

yes -5 is correct on the last one

OpenStudy (anonymous):

y = mx + b m = your slope b = your y-intercept so yes

OpenStudy (anonymous):

can u help with the Rosa question

OpenStudy (anonymous):

i keep get 480 dollars

OpenStudy (anonymous):

all you have to do is plug in the 6 for the x and you get 40 x 6 + 250

OpenStudy (anonymous):

whats 40 x 6?

OpenStudy (anonymous):

240

OpenStudy (anonymous):

yes and whats 240 + 250?

OpenStudy (anonymous):

290

OpenStudy (anonymous):

Yep :) that's your answer

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