Please help asap! Brainliest to correct

Mathematics

1 answer:

KatRina [158]3 years ago

8 0

Answer:

A. -∞<x<∞ B. -∞<x<∞

Step-by-step explanation:

f(x) = 8x - 5

g(x) = (x+5)/8

(f·g)(x) = f(g(x)) = 8 ((x+5)/8) - 5 = x+5-5 = x

(g·f)(x) = g(f(x)) = ((8x-5)+5) / 8 = 8x/8 = x

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Simplify. (2 - 61) - (-10 + 4i)

ankoles [38]

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Read 2 more answers

<img src="https://tex.z-dn.net/?f=%284%20%2B%206i%29%20%7B%7D%5E%7B2%7D%20" id="TexFormula1" title="(4 + 6i) {}^{2} " alt="(4 +

34kurt

Answer:

$36i^{2}+48i+16$

Step-by-step explanation:

$(4+6i)^{2}$ is essentially $(4+6i)(4+6i)$ (you are squaring $(4+6i)$ , so multiplying it by itself), so to simplify, you would need to distribute.

A good way to go about this is using the F.O.I.L. method, multiplying the First numbers in the parentheses, then the Outers, then Inners, and finally, Lasts.

$(4+6i)(4+6i)$ >> $(4+6i)(4+6i)$ >> $(4+6i)(4+6i)$ >> $(4+6i)(4+6i)$