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Mathematics 12 Online
OpenStudy (anonymous):

If f(x) = 0.8(2 – x), what is the value of f(–2)? A. 0 B. 1.6 C. 3.2 D. 3.6

OpenStudy (anonymous):

f(-2) means x= -2 So everywhere you see an X, you plus in -2 So it would be: 0.8[2-(-2)] Simplify: 0.8(0) Answer: 0

OpenStudy (anonymous):

Oh no i made a mistake. Crap I'm sorry. I would be: 0.8(4) So the Answer would be: 3.2 I'm so sorry, I worked it out too fast.

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