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Mekhanik [1.2K]
3 years ago
14

Please help with functions

Mathematics
1 answer:
OlgaM077 [116]3 years ago
8 0

Answer:

f(0)=0

Step-by-step explanation:

The number in the parenthesis in a function are what you substitute for x, so do that for the problem:

f(x)=(1/2)(x) --> f(0)=(1/2)(0)

Then solve for f(0) by simplifying the other side of the equation:

f(0)=0

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4 years ago
If 10% of x is 20, what is 23% of x?<br><br> 33<br><br> 46<br><br> 200<br><br> 230
Dahasolnce [82]
Since decimal form of 10% is 0.1 and 10% of x is 20,
0.1x = 20
x = 200
Since x = 200, 23% of x is:
(0.23)(200) = 46

The correct answer is 46.
3 0
3 years ago
Read 2 more answers
Determine if the point (-2,2) a solution to the inequality y&lt;3x+2.
Ksivusya [100]

Answer:

No, it's not a solution

Step-by-step explanation:

Solve by plugging in the values x=-2 and y=2 that are from your point (-2,2):

y<3x+2    

2<3(-2)+2          

2<-4 This inequality is false, so no, it's not a solution

3 0
2 years ago
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Can someone plz help me ?
Inessa05 [86]
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6 0
3 years ago
How do I solve part b?
Minchanka [31]

Answer:

x \approx 1.4

Step-by-step explanation:

This problem gives one the following equation to model the graph of a line: (y=x^2-2). The problem asks one to find the value of (x) when (y=0). Rather than using the graph, an easier way to solve this problem is to substitute (0) in for the value of (y) and then solve for (x) using inverse operations.

y=x^2-2\\

Substitute,

0=x^2-2

Inverse operations,

0=x^2-2\\\\2=x^2\\\\\sqrt{2}=x

Round:

x \approx 1.4

As one can see on the graph, this result is very close to the value at which the graph intersects the (x) axis. Thus, one can conclude that (x) does indeed approximately equal (1.4)

6 0
3 years ago
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