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GalinKa [24]
2 years ago
14

What is the value of f(g(-3)?

Mathematics
1 answer:
Natalija [7]2 years ago
8 0

Answer:

f(x) + g(x) = (-2x + 8)+ 3x

f(x) + g(x) = -2x + 8 + 3x   Combine like terms.

f(x) + g(x) = x + 8        

f(x) + g(x) = (f+g)(x) = x + 8

(f + g)(-1) = -1 + 8

(f + g)(-1) = 7

Step-by-step explanation:

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garik1379 [7]

1. m∠1 + m∠2 = 180°

2. Definition of bisector

3. m∠1 + m∠3 = 180°

4. Substitution Property of Equality

5 0
3 years ago
Which expressions are equivalent to the one below? Check all that apply. 21^x/3^x
satela [25.4K]

Answer:

<em>options:  A,C,E </em>are correct.

Step-by-step explanation:

We have to find the expression equivalent to the expression:

\dfrac{21^x}{3^x}

we know that: 21^x=(3\times7)^x\\\\21^x=3^x\times7^x

Hence,

\dfrac{21^x}{3^x}=\dfrac{3^x\times7^x}{3^x}=7^x-----(1)

A)   (\dfrac{21}{3})^x= 7^x  (same as(1))

Hence, option A is correct.

B)  7 ; which is a different expression from (1)

Option B is incorrect.

C) 7^x   (Same as (1))

Option C is correct.

D) (21-3)^x=18^x   which is a different expression from (1)

Hence, option D is incorrect.

E) \dfrac{7^x\times3^x}{3^x}=7^x   ; which is same as (1)

Hence, Option E is correct.

F) 3^x  ; which is not same as expression (1)

Hence, option F is incorrect.

5 0
3 years ago
Read 2 more answers
If you wanted to shift the graph of y = 2x + 5 up, which equation could you
S_A_V [24]

Answer: the answer is

A. y=2x+9

8 0
3 years ago
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X + y = 4
zalisa [80]

Answer:

Well it would come out to 2x-3y=-9

Step-by-step explanation:

4 0
3 years ago
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Question is in picture posted but this needs 20 characters so here ya go
Katyanochek1 [597]

Answer:

A

Step-by-step explanation:

The dilation with the center of dilation at the origin and scale factor of 4 has the rule

(x,y)→(4x,4y).

Thus,

  1. A(-1,3)→A'(-4,12)
  2. B(2,1)→B'(8,4)
  3. C(-2,-1)→C'(-8,-4)

A'(-4,12) - option B

B'(8,4) - option C

C'(-8,-4) - option D

3 0
3 years ago
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