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Answered

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1.F(x)=x+25
f(37)

2.f(x)=-2x+20
F(20)

3.F(x)=-2x+20
F(-5)

4.f(x)=3x^2+4x+20
F(2)

5.f(x)= square root x-6
F(31)

6. square root x-8
F(4)

Sagot :

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Answer:

hope that this is helpful.

Step-by-step explanation:

[tex]1.f(x) = x + 25 \\ f(37) = 37 + 25 \\ = 62 \\ 2.f(x) = - 2x + 20 \\ f(20) = - 2(20) + 20 \\ = - 40 + 20 \\ = - 20 \\ 3.f(x) = - 2 x+ 20 \\ f( - 5) = - 2( - 5) + 20 \\ = 10 + 20 \\ = 30 \\ 4.f(x) = 3 {x}^{2} + 4x + 20 \\ f(2) = 3( {2}^{2} ) + 4(2) + 20 \\ = 3(4) + 8 + 20 \\ = 12 + 8 + 20 \\ = 40 \\ 5.f(x) = \sqrt{x - 6} \\ f(31) = \sqrt{31 - 6} \\ = \sqrt{25} \\ = 5 \\ 6. \sqrt{x - 8} \\ f(4) = \sqrt{4 - 8} \\ = \sqrt{ - 4} [/tex]

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