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Anni [7]
3 years ago
7

What is true about the given function?

Mathematics
1 answer:
JulsSmile [24]3 years ago
4 0

Answer:

C

f(x) < 0 over the interval - infinity to + 3

Step-by-step explanation

My last answer was wrong

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Kurt has two piggy banks. He is going to deposit all of his money in his savings account. His blue piggy bank has $23.75 in it.
poizon [28]
Add the two amounts $23.75 +$76.12 = $99.87
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3 years ago
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3 years ago
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Find a cubic function f(x) = ax^3 + bx^2 + cx + d that has a local maximum value of 3 at x = −3 and a local minimum value of 0 a
Ahat [919]

Answer:

f(x) = (3x³ + 9x² - 27x + 15)/32

Step-by-step explanation:

f'(x) = 3ax² + 2bx + c

Maximum or minimum: f'(x) = 0

Maximum: f'(-3) = 0 and f(-3) = 3

Minimum: f'(1) = 0 and f(1) = 0

f'(-3) = 0 leads 27a - 6b + c = 0       (1)

f'(1) = 0 leads 3a + 2b + c = 0           (2)

f(-3) = 3 leads -27a + 9b -3c + d = 3    (3)

f(1) = 0 leads a + b + c + d = 0        (4)

(1) - (2):   24a - 8b = 0, or 3a - b = 0, b = 3a

(3) - (4)   -28a + 8b - 4c = 3    (5)

(1) * 4 + (5):  80a - 16b = 3,

use b = 3a, get 80a - 16*3a = 3, 32a = 3, a = 3/32, b = 3a = 9/32

From (2): c = -3a - 2b = -9/32 - 18/32 = -27/32

From (4): d = -a - b - c = -3/32 - 9/32 + 27/32 = 15/32

So

f(x) = (3x³ + 9x² - 27x + 15)/32

3 0
2 years ago
Generate a sampling distribution of sample means using a sample of size from the YearlySalary values in the dataset NFLContracts
rjkz [21]

Answer:

Hello your question is not well written attached below is the complete question

answer :

a) smallest value = $0.405 million

   largest value = $22 million

b) smallest value = $0.505 million

   largest value =  $9.332 million

Step-by-step explanation:

A) what are the smallest and largest yearly salary values in the population

smallest value = $0.405 million

largest value = $22 million

b) What are the smallest and largest sample mean in the sampling distribution

Smallest value = $0.505 million

Largest value =  $9.332 million

note : values where gotten using statkey on the dataset NFLcontracts2015 as stated in the attached document ( question )

8 0
3 years ago
Simplify using a table. Can someone help?
Alona [7]
The product is -10y² -19y +15.

7 0
3 years ago
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