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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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Vesnalui [34]

Answer:

a = -8

Step-by-step explanation:

19 = -3a - 5

Add 5 to both sides.

24 = -3a

Divide both sides by -3.

-8 = a

Switch sides.

a = -8

6 0
3 years ago
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Aleksandr-060686 [28]

Answer:

9 months

Step-by-step explanation:

Given

Fabulous fitness charges a one-time fee of $90 and an additional $25 per month

let the number of months be x

and the total charges be y

y= 25x+90---------1

Wonder weights charges a one-time fee of only $ 27 dollars but charge an additional $32 each month

let the number of months be x

and the total charges be y

y= 32x+27------------2

Required

The value of x, that is the number of months

Step two:

Equating both equations we have

25x+90=32x+27

collect like terms

25x-32x=27-90

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divide both sides by  7

x= 63/7

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3 years ago
What is the square root of 28
GrogVix [38]

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Step-by-step explanation:

√28

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5. 291503

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Answer:

This equation has no solution

Step-by-step explanation:

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yarga [219]
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