If \(f(x) = x^4 - 3x^3- 2x^2 + 5x ,\) then \(f(-1) =\)

[Vincen]

If \(f(x) = x^4 - 3x^3- 2x^2 + 5x ,\) then \(f(-1) =\)

A. -5
B. -3
C. -1
D. 1
E. 3

[spoiler]OA=B[/spoiler]

Source: Magoosh

[Jay@ManhattanReview]

If \(f(x) = x^4 - 3x^3- 2x^2 + 5x ,\) then \(f(-1) =\)

A. -5
B. -3
C. -1
D. 1
E. 3

[spoiler]OA=B[/spoiler]

Source: Magoosh

\(f(-1) = (-1)^4 - 3*(-1)^3- 2*(-1)^2 + 5*(-1)\)

\(f(-1) = 1 + 3 - 2 - 5=-3\)

The correct answer: B

Hope this helps!

-Jay
_________________
Manhattan Review GMAT Prep

Locations: Manhattan Review Mumbai | Hyderabad | GRE Prep Warangal | Begumpet GRE Coaching | and many more...

Schedule your free consultation with an experienced GMAT Prep Advisor! Click here.

[Scott@TargetTestPrep]

If \(f(x) = x^4 - 3x^3- 2x^2 + 5x ,\) then \(f(-1) =\)

A. -5
B. -3
C. -1
D. 1
E. 3

[spoiler]OA=B[/spoiler]

Source: Magoosh

f(-1) = (-1)^4 - 3(-1)^3 - 2(-1)^2 + 5(-1) = 1 - 3(-1) - 2(1) - 5 = 1 + 3 - 2 - 5 = -3

Answer: B