aleana1l aleana1l

12-05-2020
Mathematics

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If f(x) =2x and g(x) = cos(x) then g(f(π/2)) = ?
Number 2 in picture

If fx 2x and gx cosx then gfπ2 Number 2 in picture class=

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PollyP52 PollyP52

12-05-2020

Answer:

(4) -1.

Step-by-step explanation:

First evaluate f(π/2) which is 2 * π/2 = π.

So g(f(π/2)) = g(π)

= cos π

= -1.

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