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Alexandra Sharp
Mathematics
11 March, 22:07
Find f (4).
f (x) = x2 + 2x - 3
+4
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2
)
Dimples
11 March, 22:17
0
21.
Step-by-step explanation:
f (4) is the value of f (x) when x = 4 so the answer is:
4^2 + 2*4 - 3
= 16 + 8 - 3
= 21.
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Marcos Cook
11 March, 22:22
0
f (x) = 21
Step-by-step explanation:
So the equation sad that the f (x) is equal to 4. Means the x is equal to 4.
If you plug in 4:
x^2+2x-3
4^ (2) + 2 (4) - 3
16+8-3
=21
The answer is 21.
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