16.8k views
2 votes
Evaluate 5x 3 + 2 for x = -1.

6
-7
4
-3

User Silentavt
by
4.0k points

2 Answers

6 votes

Explanation:


5 {x}^(3) + 2 \\ x = - 1 \\ 5 * {( - 1)}^(3) + 2 \\ = - 5 + 2 \\ = - 3 \\ or \: 5x3 + 2 \\ = 5 * - 1 * 3 + 2 \\ = - 1 5 + 2 \\ = - 13 \\ thank \: you

User Sapan
by
3.6k points
6 votes

Answer:


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

User David Frank
by
3.5k points