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Nady [450]
3 years ago
15

4. Compare the function f(x) = –x^2 – 4x + 3 with the function g(x), graphed here. Which function has a greater absolute maximum

?

Mathematics
1 answer:
inessss [21]3 years ago
3 0

Answer:

f(x) has the greater absolute maximum

Step-by-step explanation:

f(x)=-x^2-4x+3 \\\\f'(x)=-2x-4=-2(x+2)

so f'(x)=0 for x = -2 and f(-2)=-4+8+3=11-4=7

so f(x) has the greater absolute maximum

hope this helps

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Answer:

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Step-by-step explanation:

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Gina is a certain age (g). Gina's older sister is twice Gina's age. Gina's brother is half Gina's age. The sum of their ages is
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Answer:

Gina is 12 years old

Step-by-step explanation:

First,  we will have to write these statements mathematically and then solve.

Let Gina's age be x, let Gina's brother's age be y and let Gina's sister's age be z.

The second statement"Gina's older sister is twice Gina's age" can be mathematically written as: z =2 x ---------------------------(1)

The next statement "Gina's brother is half Gina's age" can be mathematically written as y = \frac{x}{2} ---------------------------------------(2)

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We can now proceed to solve;

Substitute equation (1) and equation(2) into equation (3)

x + y + z = 42

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Multiply through by 2

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