What is the value of w(z(7))?

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Robert Sheahan asked Aug 20, 2022

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What is the value of w(z(7))?

Mathematics
high-school

Robert Sheahan asked Aug 20, 2022

by Robert Sheahan

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1 Answer

21 votes

Answer:

D. 189

Explanation:

z(7) = 7 + 5

z(7) = 12

w(12) = 12^2 + 4(12) - 3

w(12) = 144 + 48 - 3

w(12) = 144 + 45

w(12) = 189

w(z(7)) = 189

Giles Thomas answered Aug 27, 2022

by Giles Thomas

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