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2 years ago

6

When x is between -4 and -1, is the function increasing or decreasing

1 answer:

Nesterboy [21]2 years ago

7 0

Answer:

Step-by-step explanation:

Given: F(x) = x/ x^2-9

Graph-

graph%28400%2C300%2C-10%2C10%2C-10%2C10%2Cx%2F%28x%5E2-9%29%29

f. Is the function increasing or decreasing in the interval -3<- x <- 3?

Check the graph.

g. As x approaches 3 from the left, what happens to the function values?

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2 years ago

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Could someone help me please?

fenix001 [56]

Answer:

a. 7.2

b. 6

Step-by-step explanation:

Since the side lengths of similar polygons are proportional to each other, therefore:

$\frac{b}{10} = \frac{9}{15} = \frac{a}{12}$

Thus, let's find b using:

$\frac{b}{10} = \frac{9}{15}$

Cross multiply

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$15b = 90$

Divide both sides by 15

b = 6

Let's find a using:

$\frac{9}{15} = \frac{a}{12}$

Cross multiply

9*12 = 15*a

108 = 15a

Divide both sides by 15

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