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Firdavs [7]
2 years ago
7

Find the discriminant and the number of real roots for this equation.

Mathematics
1 answer:
GuDViN [60]2 years ago
8 0

Answer:

D

Step-by-step explanation:

To find the discriminant you do b^2-4(a)(c), which in this case gives you -28. If your discriminant is less than zero, you will have no real roots.

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dimaraw [331]

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3 years ago
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3 years ago
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7 0
2 years ago
What is the inverse of the function g(x)=7x+3/x-5?
Ad libitum [116K]

Answer:

g(x) = (5x + 3)/ x - 7

Step-by-step explanation:

Let g(x) = y

y = (7x + 3)/x - 5

Make x the subject

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xy - 7x = 5y + 3

x(y - 7) = 5y + 3

x = (5y + 3)/ y - 7

Therefore, the inverse of the function = (5x + 3)/ x - 7

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2 years ago
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