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Mazyrski [523]
3 years ago
11

Need help understanding this problem please

Mathematics
1 answer:
faust18 [17]3 years ago
7 0

f(g(x)) is a composite function:

f(g(x))=f(\sqrt{x+5})=2\sqrt{x+5}-1

Plug in <em>x</em> = 4:

f(g(4)) = 2\sqrt{4+5}-1=2\sqrt9-1=2\cdot3-1=\boxed{5}

so the answer is C.

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Express 10 1/4 - 4 1/2 as a decimal
Ivahew [28]

Answer:

5.75

Step-by-step explanation:

10 1/4 = 10.25

4 1/2 = 4.5

10.25 - 4.5 = 5.75

4 0
3 years ago
david used 2 1/4 feet of cloth to make a shirt. he also used 3 1/3 feet to make a scarf. which expression could used to correctl
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C. 2+3 = 5
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A crane lifts a 425 kg steel beam vertically a distance of 66 m. How much work does the crane do on the beam if the beam acceler
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<span>The solution to the problem is as follows:

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6 0
3 years ago
Read 2 more answers
Please help this is almost due soon!
PolarNik [594]

Answer:

6\pi

Step-by-step explanation:

The area of the circumference of a circle is:

C=2\pi r

We know that r is 8, so we can plug that into the formula.

However, there's a problem.  We only want 3pi/4 of the circumference, not the entire circle's circumference.  Therefore, we have to divide by part/whole.  In this case, the part is 3pi/4, and the whole is 2pi (the entire circle is 2pi radians).

C = (\frac{3\pi/4}{2\pi})*(2\pi *8)\\C = (\frac{3}{8})(16\pi)\\C = \frac{48\pi }{8} \\C = 6\pi

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Which property would you use to simplify the following expression 4(y+5)
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Distribution property. You would distribute 4 into (y + 5), giving you the answer 4y + 20.
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2 years ago
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