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Nookie1986 [14]
3 years ago
13

PLZ HELP

Mathematics
2 answers:
Eva8 [605]3 years ago
8 0

Answer:

(x+1)^2

Step-by-step explanation:

(g ° f) (x) = g(f(x))

g ( f(x)) means that you are going to replace x in g(x) for f(x)

g(x) = x^2

f(x) = x+1

So you have to solve g(x) when x = x+1

g (x+1) = (x+1)^2

qaws [65]3 years ago
3 0

Answer:

B) (x+1) ( x²).

Step-by-step explanation:

Given  : f(x)=x+1 and g(x) = x².

To find : what is (g∘f) (x).

Solution : We have given

f(x)=x+1 and g(x) = x².

By the rule :

(g∘f) (x) = g(x) * f(x).

Plugging the values

(g∘f) (x) = (x+1) ( x²).

Therefore, B) (x+1) ( x²).

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A: 2.86<br> B: 2.75<br> C: 2.95<br> D: 1.17
zhuklara [117]
No doubt your text advises how to arrive at a best-fit exponential model. The two graphing calculators I used gave different answers. The first one modeled the function as
y = 398.494(0.50526)^x
For x = 7, this model gives y = 3.35

The second calculator, a TI-84 work-alike, modeled the function as
y = 422.110(0.48896)^x
For x=7, this model gives y = 2.82

Using the first and last data points only, the model is
y = 200(0.06)^((x-1)/4)
For x=7, this model gives y = 2.94

Using yet another calculator to do linear regression on the log of y, the function is modeled by
y = 10^(2.62543-0.31073x)
which is another way to write the function produced by the TI-84 work-alike.

So, the technology I used gives a couple of reasons to choose
  A. 2.86
and a couple of reasons to choose
  C. 2.95

Of the models shown here, the ones with the lowest mean absolute deviation and the least squared error were the ones that produced the highest values of y for x=7, suggesting 2.95 is the best choice.


It would be advisable to use the procedure described in your text.

5 0
3 years ago
Read 2 more answers
15 pizzas are cut into 1/8 slices. How many slices of pizza are there?
postnew [5]

Answer: 120

Step-by-step explanation:

15x8=120

5 0
3 years ago
Read 2 more answers
Find the dimensions of a rectangle with perimeter 76 m whose area is as large as possible. m (smaller value) m (larger value)
Sladkaya [172]

Answer:

19 m

Step-by-step explanation:

Perimeter = 2(length + width) ; P = 2(l+w) - - (1)

Area = Length * width ; A = l*w - - - (2)

76 = 2(l+w)

76/2 = l+w

l+w = 38

l = 38 - w

Put l = 38 - w in (1)

A = (38-w)*w

A = 38w - w²

At maximum point:

dA/dw = 0

dA/dw = 38 - 2w

38 - 2w = 0

38 = 2w

w = 38/2

w = 19

5 0
2 years ago
Which expression(s) are greater than 0? Select all that apply.
MakcuM [25]

Answer:

1234567891011121314151617181920

4 0
2 years ago
Which graph is the graph for the function? <br><br> y=x^2+x-12
LenaWriter [7]

Answer:

The top one because it is decresing by 12

Step-by-step explanation:

3 0
3 years ago
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