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Neporo4naja [7]
4 years ago
8

Which of the following relations is a function? will give 5stars!

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
8 0

A. (-2, -2), (-9, -5), (\boxed{3}, 8), (\boxed{3}, 2)\\\\B. (-9, 2), (-2, 3), (3, 7), (6, 2)\\\\C. (\boxed{-9}, 0), (-2, 5), (\boxed{-9}, -3), (3, 9)\\\\D. (\boxed{6}, -10), (-9, 7), (\boxed{6}, 6), (-9, 12)\\\\Answer:\ B.\\\\\text{B. has different x}

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Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the zeros −3 and 5
love history [14]

Answer:

<em>f(x) = x² (2+i)x-15-3i</em>

Step-by-step explanation:

Since the zeros of the equation are -3 and 5+i, hence the factors of the polynomial in x is (x+3) and (x-(5+i))

Multiplying both factors

f(x) =  (x+3)(x-(5+i))

f(x) = (x²-(5+i)x+3x -3(5+i))

f(x) = x² - (5+i- 3)x -15-3i

f(x) = x² (2+i)x-15-3i

<em>hence the required polynomial function in x is f(x) = x² (2+i)x-15-3i</em>

7 0
3 years ago
Can 8x be added to 56? Why or why not?<br> Use rich text?
Vladimir [108]

Answer:

see below

Step-by-step explanation:

8x and 56 are not like terms

x is a variable and 56 is a constant

8x can be added to 56 but they cannot be combined together into one term

8x+56 cannot be combined because they are not like terms

7 0
3 years ago
The perimeter of the square below is 36. What is the length of the diagonal, x? A.6 B.9 C.62–√ D.92–√
siniylev [52]

Answer:

9\sqrt{2}

Step-by-step explanation: did it

4 0
3 years ago
A model of a statue has a scale to the actual statue of 1 inch : 8 inches. What percent of the actual statue's height is the mod
ArbitrLikvidat [17]

Answer:

6.25%

Step-by-step explanation:

Percent = (\frac{height in model}{actual height})*100

             = \frac{1}{8}*100\\\\\\= \frac{25}{4}\\\\\\= 6.25

               

6 0
3 years ago
Molly is converting 2 yards to millimeters. will the number of millimeters be fewer than or greater than 2?
Maru [420]
<span>Greater than, because millimeters are smaller than yards. i had this question 2</span>
8 0
4 years ago
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