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OpenStudy (freemap):
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OpenStudy (freemap):
For the function f(x) = 2 – 3x, find f(–4). A. 12 B. 14 C. –5 D. –10
OpenStudy (freemap):
Do we plug -4 into the f(x) place?
Directrix (directrix):
f(x) = 2 – 3x f(-4) = 2 – 3*(-4) = ?
OpenStudy (freemap):
just a sec I'm working it out
Directrix (directrix):
f(-4) means f of -4, the value of the function when x = -4
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OpenStudy (freemap):
-4=2- -12 -4=14 b? 14
Directrix (directrix):
It is 14 but don't write -4 = 14 because that is not true. f(-4) = 2 – 3*(-4) = 2 + 12 = 14
OpenStudy (freemap):
okay, Thank you
Directrix (directrix):
You are welcome.
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