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OpenStudy (anonymous):
What is the value of the function y=2x-3 when x = –1? A. –5 B. 2 C. –1 D. 3
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OpenStudy (anonymous):
@JoannaBlackwelder
OpenStudy (sparrow2):
a just enter -1 to the formula
OpenStudy (joannablackwelder):
Yes, substitute in -1 in for x in the formula and simplify.
OpenStudy (anonymous):
so take 2 out
OpenStudy (joannablackwelder):
No, sub in -1 for x. All the other values stay the same.
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OpenStudy (joannablackwelder):
2(-1)-3
OpenStudy (joannablackwelder):
Do you see how I subbed in the -1 for x?
OpenStudy (anonymous):
yes
OpenStudy (joannablackwelder):
:-) Can you simplify?
OpenStudy (anonymous):
-5
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OpenStudy (joannablackwelder):
Great job!
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