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If f(x) = 2x² – 2. what is f(-6)? If -78 30 18 0 78 PLS HELP

If f(x) = 2x² – 2. what is f(-6)? If -78 30 18 0 78 PLS HELP
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3 votes
If f(x) = 2x² – 2. what is f(-6)?

If
-78
30
18
0 78

PLS HELP

User Dotnetnoob
by
7.9k points

2 Answers

7 votes

Answer:

70

Explanation:

Substitute x with -6:

2(-6)²-2

2(36)-2

72-2

70

User Bincy Baby
by
8.5k points
4 votes
78!!!!!!!!
This is because -6*2 is -36
User Gio
by
7.7k points
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