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41 votes
41 votes
What is the value of f(x) = 2 • 2 x for f(–2)?

User Lucas Van Dongen
by
2.9k points

2 Answers

15 votes
15 votes

Answer:

- 8

Explanation:

f ( x ) = 2 . 2 x

f ( - 2 )

= 2 . 2 ( - 2 )

= 2 x 2 x ( - 2 )

= - 8

User Votelessbubble
by
3.3k points
12 votes
12 votes

Answer:

-8

Explanation:

you know, all you have to do in such a case is simply taking the given -2 and put it, where there is "x" in the function expression and then calculate this. if necessary with a calculator.

2×2×x with x=-2 is

2×2×-2 = -8

User Btbenjamin
by
2.8k points