Question

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

Answer 1

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..