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Minchanka [31]
3 years ago
9

Find the inverse function f(x)=3\sqrt{x}+7

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0

let y = 3/sqrt(x) + 7

y -7 = 3\sqrt(x)

(y-7)^3 = x

f^-1(x) = (y-7)^3

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What is the solution of the equation (x – 5)2 + 3(x – 5) + 9 = 0? Use u substitution and the quadratic formula to solve.
Vitek1552 [10]
(X-5)2+3(X-5)+9 = 0
let expand the equation
(x)x2-(5)x2 + 3(x)-3(5) + 9 = 0
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collect like terms
2x+3x-10-15+9 =0
5x-10-6 =0
5x-16=0
5x=0+16
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4 0
3 years ago
If f(x)=3<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" align="absmiddle" class="late
Anvisha [2.4K]

Answer:

\sf f(-3) = 23

<u>given:</u>

\sf f(x) = 3x^2 -4

to find the output, replace x with the given integer.

solve:

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5 0
2 years ago
4x+10=-26 two-step equation
Nana76 [90]

Answer:

x = -9

Step-by-step explanation:

4x+10=-26

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3 years ago
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