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24-10-2018
Mathematics

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Solve the equation for y in terms of x, and replace y with function notation f(x). Then find f(2).

y+4x^=1

f(x)=?

Solve the equation for y in terms of x and replace y with function notation fx Then find f2 y4x1 fx class=

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24-10-2018

Answer:

f(2)=-15

Step-by-step explanation:

y+4x^2-1 is the same as y=-4x^2+1, then replace y with f(x); f(x)=-4x^2+1. After you do that, replace x with 2; f(2)=-4(2)^2+1. 2^2=4, 4 times -4=-16, -16+1=-15. So f(2)=-15.

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