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Katena32 [7]
3 years ago
5

-Common Core Math I A: P CR 46.27

Mathematics
2 answers:
olasank [31]3 years ago
5 0

Answer:

9

Step-by-step explanation:

Leviafan [203]3 years ago
3 0

Answer:

The answer to f is 9 hope this helps can you make me answer brianlest

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Find the roots of the function f(x) = (2^x − 1) - (x2 + 2x − 3) with x ∈ R.<br>​
olchik [2.2K]

Answer: There are no real roots.

Step-by-step explanation:

To find the roots of the function

f(x) = (2^x − 1) - (x2 + 2x − 3) with x ∈ R.

First open the bracket

2^x - 1 - x^2 - 2x + 3 = 0

Rearrange and collect the like terms

2x^2 - x^2 - 2x + 3 - 1= 0

X^2 - 2x + 2 = 0

Factorizing the above equation will be impossible, we can therefore find the root by using completing the square method or the quadratic formula.

X^2 - 2x = - 2

Half of coefficient of x is 1

X^2 - 2x + 1^2 = -2 + 1^2

( x - 1 )^2 = - 1

( x - 1 ) = +/- sqrt(-1)

X = -1 + sqrt (-1) or -1 - sqrt (-1)

The root of the function is therefore

X = -1 + sqrt (-1) or -1 - sqrt (-1)

Since b^2 - 4ac of the function is less than zero, we can therefore conclude that there is no real roots

7 0
3 years ago
HELP PLEASE DESPERATE!!
devlian [24]

Answer:

A,B,C

Step-by-step explanation:

in these quadrilaterals, the diagonals bisect each other paralellogram, rectangle, rhombus, square

in these quadrilaterals, the diagonals are congruent rectangle, square, isosceles trapezoid

in these quadrilaterals, each of the diagonals bisects a pair of opposite angles rhombus, square

5 0
4 years ago
Read 2 more answers
Can someone help me with this ?
Damm [24]

Answer:

that is a great question i dont know.

explanation: the human brain is in different categories.

4 0
2 years ago
Find p(0), p(1) and p(2) for the polynomial P(t) = 2 + t + 2t²-t³
FinnZ [79.3K]

p(0)=2

p(1)=2+1+2-1=4

p(2)=2+2+8-8=4

5 0
3 years ago
Identify the range of the function shown in the graph.
MAVERICK [17]

\mathfrak{\huge{\orange{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the plots and graphs.

Since, the x axis varies from -infinite to +infinite,

here, the y totally varies from -5 to +5,

hence, the option B.) is correct.

===>

- 5 \leqslant y \leqslant 5

3 0
3 years ago
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