3 years ago

If f(x) = x2 + 2x - 4 and g(x) = 3x + 1 Find f(g(x)) = [? ]x² +[? ]x+ [?]

Mathematics

1 answer:

zubka84 [21]3 years ago

6 0

Your anwser is quit school ):73

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Can someone please help as I'm not sure how to tackle this step by step? Especially question b, d, g, j, k, l. Not how sure to d

Arisa [49]

Step-by-step explanation:

√a = 1√a so we can solve them easily:

b) 3√7 -√7= 3√7 - 1√7 =( 3-1)√7= 2√7

d) 5√6 - 2√6+√6= (5-2+1)√6 = 4√6

g) √2+2√2= 3√2

j) √5+5√5 - 3√5 = 3√5

k) 2√3 + √3 - 5√3= -2√3

I) 5√11 + 7√11 - √11 = 11√11

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2 years ago

I will mark you the brainiest for the correct answer, please be correct, Have a good day and take care, thanks. ( VIEW THE IMAGE

makkiz [27]

Mistake in Line 2 : Was in the determining the values for a ,b,c

Mistake in Line 4 : Not taking the square roots of both sides.

Step-by-step explanation:

${a}^{2} + {b}^{2} = {c}^{2}$

First Mistake : Line 2

$a = x \\ b = 6 \\ c = 10$

Second Mistake : Line 4

$136 = {x}^{2} \\ not \\ 136 = x$

Correct Solution :

${x}^{2} + {6}^{2} = {10}^{2} \\ {x}^{2} = {10}^{2} - {6}^{2} \\ {x}^{2} = 100 - 36 \\$

${x}^{2} = 64 \\ \sqrt{ {x}^{2} } = \sqrt{64} \\ x = 6$

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3 years ago

Three times what equals 61.50

sergey [27]

Simply divide 61.50 by 3. You should be able to reach the answer that way

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3 years ago

What is happening at this step in the equation solving process for 3x+7=5x <br> 7=2x

Leya [2.2K]

Your subtracting 3x from 5x: 5x-3x
This is so you only have a variable on one side

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2 years ago

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