4 years ago

Determine if the function is one-to-one. Yes No

Mathematics

1 answer:

SVEN [57.7K]4 years ago

8 0

Answer:

Step-by-step explanation:

Hope this helps

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6. Use synthetic division to completely factor y = x3 + 2x2 – 5x - 6 by x + 1.

navik [9.2K]

Answer:

y = (x + 1)(x + 3)(x - 2)

Step-by-step explanation:

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3 0

3 years ago

lisov135 [29]

Answer:

Step-by-step explanation:

(8-5)/(1-0) = 3/1 = 3

y - 5 = 3(x -0)

y -5 = 3x - 0

y = 3x + 5

5 0

3 years ago

The mean height of the students in Marta's class is 60 in. There are 18 students in her class. Write and Solve and equation to f

Mashcka [7]

Solution: Let x be the height of a student in Marta's class.

The mean height of 18 students in Marta's class is 60 inches

We know that:

$Mean = \frac{\sum x_{i}}{n}$

$60 = \frac{\sum x_{i}}{18}$

$60 \times 18 = \sum x_{i}$

$\sum x_{i} = 1080$

Therefore, the total measure of all 18 student's heights is 1080 inches

6 0

3 years ago

Write the first five terms of the sequence in which the nth term is a_n=(n+1)!/n+1.

VikaD [51]

Answer:a) 1,2,6,24,120

Step-by-step explanation:

The formula for the nth term of the sequence is expressed as

n=(n+1)!/n+1

For the first term, n = 1. Therefore,

(1+1)!/(1+1) = 2!/2 = (2×1)/2 = 1

For the second tern, n = 2. Therefore,

(2+1)!/2+1 = 3! /3 = (3×2×1)/3 = 6/3 = 2

For the third term, n = 3, therefore

(3+1)!/3+1 = 4!/4 =(4×3×2×1)/4 = 6

For the fourth term, n = 4. Therefore

(4+1)!/4+1 = 5!/5 = (5×4×3×2×1)/5 = 24

For the fifth term, n = 5. Therefore

(5+1)!/5+1 = 6!/6 = 6× 5×4×3×2×1)/6 = 120

4 0

3 years ago

Read 2 more answers

1/7 to the 2nd power

jolli1 [7]

Answer:

1/49

Step-by-step explanation:

1/7 to the 2nd power = (1/7)^2 = 1/7 • 1/7 = 1/49

6 0

2 years ago