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Alexandra [31]
3 years ago
13

HELP ME ITS DUE IN 5 MINUTES, GIVING BRAINLEST

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

201.06 in

Step-by-step explanation:

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I'm stuck on this question! Please help
gayaneshka [121]
See attachment file below.
Answer: 11/3

Hope it helped!

6 0
3 years ago
Can you help me with number 8
Verdich [7]

Answer:

A. :)

Step-by-step explanation:

Brainly?

7 0
2 years ago
Which of the following sets represents continuous data?
Alenkinab [10]
<span>You may choose the option A. {1, 2, 3, …}</span>
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3 years ago
Read 2 more answers
The graph of f(x) is shown below, if f(x) and its inverse function,
Yuki888 [10]

Before defining the inverse of a function we need to have the right mental image of function.

Consider the function f(x) = 2x + 1. We know how to evaluate f at 3, f(3) = 2*3 + 1 = 7. In this section it helps to think of f as transforming a 3 into a 7, and f transforms a 5 into an 11, etc.

Now that we think of f as "acting on" numbers and transforming them, we can define the inverse of f as the function that "undoes" what f did. In other words, the inverse of f needs to take 7 back to 3, and take -3 back to -2, etc.

Let g(x) = (x - 1)/2. Then g(7) = 3, g(-3) = -2, and g(11) = 5, so g seems to be undoing what f did, at least for these three values. To prove that g is the inverse of f we must show that this is true for any value of x in the domain of f. In other words, g must take f(x) back to x for all values of x in the domain of f. So, g(f(x)) = x must hold for all x in the domain of f. The way to check this condition is to see that the formula for g(f(x)) simplifies to x.

g(f(x)) = g(2x + 1) = (2x + 1 -1)/2 = 2x/2 = x.

This simplification shows that if we choose any number and let f act it, then applying g to the result recovers our original number. We also need to see that this process works in reverse, or that f also undoes what g does.

f(g(x)) = f((x - 1)/2) = 2(x - 1)/2 + 1 = x - 1 + 1 = x.

Letting f-1 denote the inverse of f, we have just shown that g = f-1.      http://dl.uncw.edu/digilib/mathematics/algebra/mat111hb/functions/inverse/inverse.html

5 0
3 years ago
Joe is 3 years less than twice as old as Sara. The sum of the ages of Joe and Sara is 42. If x represents Sara's age,
Rom4ik [11]

Answer:

Sara or x=15, Joe=27

Step-by-step explanation:

Using J to represent Joe and S to represent Sara

J=2S-3

J+S=42 or J=42-S

Substitute for J:

42-S=2S-3

3S=45

S=15

J=2(15)-3 = 27

3 0
3 years ago
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