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OpenStudy (anonymous):
Given the function f(x) = 3x2 − 4, what is f(-2)?
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OpenStudy (amistre64):
what is the value of 3x^2 - 4 when x= -2 ?
OpenStudy (anonymous):
8?
OpenStudy (anonymous):
You substitute x for -2. so 3x^2 is 3* (-2)^2 then u subtract 4.
OpenStudy (amistre64):
correct
OpenStudy (anonymous):
thanks
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