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faltersainse [42]
4 years ago
5

F(x) = 2x^3 g(x) = x-3find f(2)find g(4)find (f+g) (x)​

Mathematics
1 answer:
rjkz [21]4 years ago
4 0

f(x) = 2 {x}^{3}

f(2) = 2 \times  {2}^{3} = 2 \times 8 = 16

_________________________________

g(x) = x - 3

g(4) = 4 - 3 = 1

_________________________________

(f + g)(x) = f(x) + g(x)

(f + g)(x) = 2 {x}^{3} + x - 3

_________________________________

Done...♥️♥️♥️♥️♥️

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*brainliest for best answer thank you* Solve for b.
vekshin1

Hello from MrBillDoesMath!

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The fourth choice,  b = +\- sqrt( sg + a^2)

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s = (b^2 - a^2)/g     =>              multiply both sides by "g"

sg = b^2 - a^2        =>               add a^2 to both sides

sg + a^2 = b^2       =>                take the square root of each side

b = +\- sqrt( sg + a^2)


which is the fourth choice.


Thank you,

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