2 years ago

Do the functions have the same concavity? f(x)=2x^2-10x-30

2 answers:

5 0

Answer:

Use the inflection points to set up intervals. Substitute a value into each interval to find where the curve is concave up or down.

The graph is concave up

Gnom [1K]2 years ago

4 0

Answer:

Step-by-step explanation:

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coldgirl [10]

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WITCHER [35]

Answer:

sin⁴x - sin²x

sin²x(sin²x - 1)

(1 - cos²x)(1 - cos²x - 1)

(1 - cos²x)(-cos²x)

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2 years ago

loris [4]

Answer: 18.36

Step-by-step explanation:

Replace "z" with "2":

$9.18 \cdot 2 = \boxed{18.36}$ .

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Delvig [45]

When x=-5, y=(1/5)*(-5)-1=-2, so the first order pair is (-5,-2)
when y=-1, -1=(1/5)x-1, (1/5)x=0, x=0, so the second ordered pair is (0, -1)

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2 years ago

viva [34]

There is a way and you will find it but not from me

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2 years ago