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Burka [1]
3 years ago
8

Explain the difference between f and f(x).

Mathematics
1 answer:
Oxana [17]3 years ago
3 0
F is a function. It takes inputs and then produces an output. The notation <span>f(x)</span> is saying more specifically that the function is taking an input x and producing the output <span>f(x)</span>. For example, if you look at <span>f(x)=<span>x2</span></span>, you can think that f is the "squaring function", with input x and outputs <span>x2</span>. You can think that <span>"f"</span> is like the name of the function. <span><span>f1</span>(x)=<span>x2</span></span> <span><span>f2</span>(x)=<span>6x</span>+3</span> Above, you know which function I'm talking about if I say <span>f2</span>. But often, people will just call it as the function <span><span><span>f2</span>(x)</span></span>
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a line segment has endpoints A (-8,6) and B (4,6). What is the distance in units between point A and B?
lyudmila [28]

Answer:

The distance between point A and point B is 12 units.

Step-by-step explanation:

d = √(x2 - x1)² + (y2 - y1)²

d = √(-8 - 4)² + (6 - 6)²

d = √144 + 0

d = 12

5 0
3 years ago
Find the oth term of the geometric sequence 7, 14, 28, ...
yaroslaw [1]

Answer:

The nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

Step-by-step explanation:

Given the geometric sequence

7, 14, 28, ...

We know that a geometric sequence has a constant ratio 'r' and is defined by

a_n=a_1\cdot r^{n-1}

where a₁ is the first term and r is the common ratio

Computing the ratios of all the adjacent terms

\frac{14}{7}=2,\:\quad \frac{28}{14}=2

The ratio of all the adjacent terms is the same and equal to

r=2

now substituting r = 2 and a₁ = 7 in the nth term

a_n=a_1\cdot r^{n-1}

a_n=7\cdot \:2^{n-1}

Therefore, the nth term of the geometric sequence 7, 14, 28, ... is:

a_n=7\cdot \:2^{n-1}

6 0
2 years ago
Jason is putting in a new circular shaped fire pit in his backyard.The diameter of the fire pit is 8 feet. What is the area of t
lesya [120]
Pi * r^2 = 16pi
Thank you hope this helps
3 0
3 years ago
Find the missing side length to the nearest tenth of a foot
GenaCL600 [577]
68 is the answer........
3 0
3 years ago
-45=5y<br>I need the answer​
slamgirl [31]

Answer:

-9 = y

Step-by-step explanation:

-45=5y

Divide each side by 5 to isolate y

-45/5=5y/5

-9 = y

5 0
3 years ago
Read 2 more answers
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