The answer above is NOT correct 1 point Evaluatefx 2x54x48

The answer above is NOT correct ( 1 point) Evaluate,f(x) = 2x5-4x4-8x3-4x2-7x when x =-1 f(-1) = NOTE: Your answer must be a plain number. Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 2 times. You received a score of 0% for this attempt. Your overall recorded score is 0%. You have unlimited attempts remaining. Email instructor Page generated at 10/29/2017 at 11:20pm E F1 F5 F6 2 4 6

Solution

Plug in x = -1

2(-1)^- 4(-1)^4 - 8(-1)^3 - 4(-1)^2 - 7(-1)

= 2(-1) - 4(1) - 8(-1) - 4(1) + 7

= -2 - 4 + 8 - 4 + 7

= -10 + 15

= 5