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Mathematics
Corey Frederick
6 April, 06:35
If f (x) = 3x^2-7, find f (4). Show all work
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Hayley
6 April, 08:14
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Plug in all x's for 4. 4^2 = 16 - - > 16x3=48 - - > 48-7 = 41
41 is the final answer
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Moran
6 April, 08:52
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f (x) = 3x ² - 7
Simply insert value of x, 4 into the equation then simplify
f (4) = 3 (4) ²-7
=3 (16) - 7
= 48 - 7
= 41
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