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lorasvet [3.4K]
2 years ago
11

20 POINTS! HELP!

Mathematics
2 answers:
ziro4ka [17]2 years ago
6 0
Im not entirely sure but i thinks its c

padilas [110]2 years ago
3 0
Im pretty sure your answer would be *drumroll*


C!!! hope this helps
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Evaluate<br><br> -4x + 7 for x = -1
Lunna [17]

Answer:

11

Step-by-step explanation:

-4x + 7 ; x = -1

-4x (-1) + 7

4 + 7 = 11

3 0
3 years ago
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First one right gets BRAINLIEST!!<br><br> If f(x)=x²+2x-3 and g(x)=x²-9, find (f/g) 4 and (f+g)(4)
Rasek [7]

Answer:

3 and 28

Step-by-step explanation:

note (\frac{f}{g} )(x ) = \frac{f(x)}{g(x)}

\frac{f(x)}{g(x)}

= \frac{x^2+2x-3}{x^2-9}  and

(\frac{f}{g} )(4) = \frac{4^2+2(4)-3}{4^2-9} = \frac{16+8-3}{16-9} = \frac{21}{7} = 3

-------------------------------------------------------

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

f(x) + g(x)

= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and

(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28

6 0
3 years ago
What is the meaning os slpoe in math and please give an example for <br><br> y=2x-1;(-2,2)
alexira [117]
Slope is your 2x, so 2x over 1 meaning after you plot (-2,2) on the graph you rise 2 and go 1 to the right, or do the opposite to make the line so go down 2 and one to the left. Hope that helped.
6 0
2 years ago
Please help if you can!
Dima020 [189]

Answer:

m' (-2, 4)

n' (-2, 1)

o' (3, 1)

p' (3, 4)

Step-by-step explanation:

4 0
2 years ago
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Which expression uses the greatest common factor and the distributive property to rewrite the sum 42+72
Komok [63]
Well since the GCF of 6, (6x7)+(6x12) would be the distributive property, which would be 114
8 0
3 years ago
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