Let f(w) = 2w^3 - 5. let z = 2. what is f(z)?

11

Step-by-step explanation:

z = 2; therefore, f(z) = f(2).

The letter/number inside of the bracket replaces the original 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