Johnnymber Johnnymber
  • 04-04-2017
  • SAT
contestada

for all real numbers, x: f(x)=X^2-18 and g(x)=X^2+18. If k=F(5), what is g(k)?

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jojjoj jojjoj
  • 04-04-2017
g(k) = 67

f(5) = (5)^2 - 18 = 25 - 18 = 7.

g(k) = g(7)

g(7) = (7)^2 + 18 = 49 + 18 = 67.

hope this helps
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