3 years ago

Can someone please help?

Mathematics

1 answer:

Aneli [31]3 years ago

6 0

Answer:

x = 12

Step-by-step explanation:

Quadrilaterals ABCD and FECG are similar, so their corresponding sides would be in the proportion.

$\frac{x}{6} = \frac{5 + 5}{5} \\ \\ \frac{x}{6} = \frac{10}{5} \\ \\ x = \frac{10 \times 6}{5} \\ \\ x = 2 \times 6 \\ \\ x = 12 \:$

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Given f(x)=4x+5 and g(x)= x^2+x; find (f∘g)(-5)<br> Please show all steps thank you

Greeley [361]

Answer:

$(f\circ g)(-5)=85$

Step-by-step explanation:

We are given:

$\displaystyle f(x)=4x+5\text{ and } g(x)=x^2+x$

And we want to find:

$(f\circ g)(-5)$

This is equivalent to:

$\displaystyle =f(g(-5))$

So, we will evaluate g(-5) first, which yields:

$\displaystyle g(-5)=(-5)^2+(-5)=25-5=20$

So:

$=f(g(-5))=f(20)$

Then:

$\displaystyle f(20)=4(20)+5=80+5=85$

Therefore:

$(f\circ g)(-5)=85$

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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