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  • 03-07-2015
  • Mathematics
Answered

If f(x) = 2x2 − 10, find f(5).


90


10


7.5


40

Verified Answer :

fiona16 fiona16
  • 03-07-2015

if you mean 2x^2 (squared) - 10, then all you have to do is replace x with 5.

f(5) = 2(5)^2 - 10
= 2 (25) - 10
= 50 - 10
f(5) = 40

Answer Link
logo88
logo88 logo88
  • 03-07-2015

f(x)= 2x² -10
f(5)= 2(5)²-10

f(5)= 40

Answer Link

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