liljj1421
  • liljj1421
given the function rule f(x)=x^2-3x+2, what is the output of f(-2)? a. -8 b. 0 c. 4 d. 12
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
(-2)^2 -3(-2) + 2 4 + 6 + 2 12 f(-2)=12 so the answer is d
liljj1421
  • liljj1421
I don't get it
liljj1421
  • liljj1421
@zoomiemoo

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anonymous
  • anonymous
for f(-2) you have to plug in -2 into all of the x's
anonymous
  • anonymous
-2^ =4
anonymous
  • anonymous
-2 * -3 =6
anonymous
  • anonymous
so 4 + 6 + 2 = 12
liljj1421
  • liljj1421
y did you add 4 and 6
anonymous
  • anonymous
because there are both positive
anonymous
  • anonymous
two negatives make a positive
liljj1421
  • liljj1421
thank you

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