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Mathematics
Bryant Clark
27 July, 06:52
Let f (w) = 2w^3 - 5. Let z = 2. What is f (z) ?
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Josiah Mann
27 July, 09:58
0
11
Step-by-step explanation:
z = 2; therefore, f (z) = f (2).
The letter/number inside of the bracket replaces the orginal letter, in this case w.
f (w) = 2w^3 - 5
f (2) = 2 (2) ^3 - 5
f (2) = 2 (8) - 5
f (2) = 16 - 5
f (2) = 11
As a result, f (z) = 11
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