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jek_recluse [69]
3 years ago
13

The functions f and g are defined as follows.

Mathematics
1 answer:
Tpy6a [65]3 years ago
8 0

Answer:

  • f(-2) = -14
  • g(7) = -29

Step-by-step explanation:

~1

Given Polynomial:

  • f(x)=2x²-3x

To Find:

  • f(-2)

Solution:

  • f(x)=2x²-3x

Substitute x = -2 onto the given polynomial,as we need to find f(-2),so x = -2.

  • f(6) = 2(-2)² -3(-2)

Simplify using PEMDAS,then.

  • f(6) = -8 - 6
  • f(6) = -14

Hence, f(6) = -14

\rule{225pt}{2pt}

~2

Given polynomial:

  • g(x) = -4x-1

To Find:

  • g(7)

Solution:

g(x) = -4x-1

Substitute x = 7 onto the given polynomial,as we need to find g(7),so x = 7.

  • g(7)= -4(7) - 1

Simplify using PEMDAS.

  • g(7) = -28 - 1
  • g(7) = -29

Hence, g(7) = -29.

\rule{225pt}{2pt}

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Interpret the coefficient of determination. Choose the correct answer below. A. The coefficient of determination measures the pe
kodGreya [7K]

Answer:

B.The coefficient of determination measures the percent of variation explained by the multiple regression model.

Step-by-step explanation:

The answer to this question is option b because the coefficient of variation R² gives a measure of the variability that is ending y values or the dependent variables which can be explained in a multiple linear regression.

In simpler words, it is the percentage of proportion of variation in the dependent variable that can be predicted using the explanatory variables.

6 0
3 years ago
Point-Slope form of the line that goes through (2, 7) with a slope of -4, please!
stellarik [79]

Answer:

y-7= -4(x-2)

Step-by-step explanation:

Y-Y1=M(X-X1) - point slope form equation.

Plug in each coordinate into their coresponding places, X1, Y1 and M (the slope).

7 0
4 years ago
What is -8 23/100 as a decimal
Veronika [31]
-1. 84 is -8 23/100 as a decimal
8 0
3 years ago
Someone help plz make sure it’s right will mark brainiest if it is :)
garik1379 [7]

Answer:

23

Step-by-step explanation:

5 0
3 years ago
Use the table below to evaluate the derivative with respect to x of g of f of 2 times x at x = 1.
lilavasa [31]
(g o f)(2x)=g(f(2x))

take derivitive
use chain rule
remember
derivitive of g(f(x))=g'(f(x))f'(x)
so

g(f(2x))=g'(f(2x))f'(2x)(2)


at x=1
f(2x)=f(2)=1
g'(1)=1
f'(2x)=f'(2)=1

we get
(1)(1)(2)=2

it is 2
I hope yo udidn't copy the wrong value for f(x) or f'(x)
4 0
3 years ago
Read 2 more answers
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