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mariarad [96]
3 years ago
12

MmilinuSubtract - 3x2 + 4x + 10 from 2x2 – 2x​

Mathematics
1 answer:
ale4655 [162]3 years ago
5 0

Answer:

5x^2-6x-10

Step-by-step explanation:

(2x^2-2x)-(-3x^2+4x+10)

2x^2-2x+3x^2-4x-10

5x^2-2x-4x-10

5x^2-6x-10

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The sum of two numbers is 956. One is 94 less than 6 times the other. write an equation for the first sentence and second. Then
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Answer:

Step-by-step explanation:

suppose the first one is x. so the other one should be 6x-94 (as said).

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3 years ago
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Yuliya22 [10]

Answer:

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Step-by-step explanation:

A.) The two given functions are:

f(x) = (x + 2)^2 and g(x) = 3(x - 1)

Open the bracket of the two functions

f(x) = (x + 2)^2

f(x) = x^2 + 2x + 2x + 4

f(x) = x^2 + 4x + 4

and

g(x) = 3(x - 1)

g(x) = 3x - 3

To find gf(x), substitute f(x) for x in g(x)

gf(x) = 3( x^2 + 4x + 4 ) - 3

gf(x) = 3x^2 + 12x + 12 - 3

gf(x) = 3x^2 + 12x + 9

Where

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B.) To find g '(12), you must first find the inverse function of g(x) that is g'(x)

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Y = 3x + 3

X = 3y + 3

Make y the subject of formula

3y = x - 3

Y = x/3 - 3/3

Y = x/3 - 1

Therefore, g'(x) = x/3 - 1

For g'(12), substitute 12 for x in g' (x)

g'(x) = 12/4 - 1

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g'(x) = 2.

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10
---
8 is the simplest form from that I could find.
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