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For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O B. f(3) = 242 O c. f(3) = -16 O D. f(3) = 98
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24 votes
24 votes
For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O B. f(3) = 242 O c. f(3) = -16 O D. f(3) = 98

For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O-example-1
User Joel Mellon
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1 Answer

14 votes
14 votes

Given:


f(x)=2x^4-8x^2+5x-7
f(3)=2(3)^4-8(3)^2+5(3)-7
f(3)=2(81)-8(9)+15-7
f(3)=162-72+15-7
f(3)=98

Option D is the correct answer..

User Cosmin Sontu
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