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Mathematics 8 Online
OpenStudy (anonymous):

help please evaluate the function for x=2:f(x)=7x-5 A. 19 B.-19 C. 9 D. -9

OpenStudy (anonymous):

can you help? @nickmeneses1997

OpenStudy (cwrw238):

replace the x by 2 and work it out 7(2) - 5

OpenStudy (cwrw238):

7(2) mean 7 times 2

OpenStudy (anonymous):

ok so 14. @cwrw238

OpenStudy (anonymous):

but then there is the -5

OpenStudy (cwrw238):

7*2 = 14 but dont forget the -5

OpenStudy (anonymous):

ok awesome so -9! @cwrw238

OpenStudy (cwrw238):

14 - 5 = ?

OpenStudy (anonymous):

9? @cwrw238

OpenStudy (cwrw238):

yea

OpenStudy (anonymous):

thanks so much for helping can you help me with a few more?

OpenStudy (anonymous):

@cwrw238

OpenStudy (cwrw238):

sorry gotta go right now

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