2 years ago

Help me please.........

Mathematics

1 answer:

Rama09 [41]2 years ago

5 0

Answer:

1. true 2. true 3.true 4. false 5. false

Step-by-step explanation: 4/4-3/4 is 1/5. You multiply the top first (4-3=1) and the bottom isn't supposed to change. so the answer is 1/4

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Let f(x) = 3x + 2 and g(x) =7x + 6. Find f ·g and its domain.

Kitty [74]

Answer:

The answer is the option D

$21x^{2}+32x+12$ ; All real numbers

Step-by-step explanation:

we have

$f(x) = 3x + 2$

$g(x) =7x + 6$

Calculate f(x)*g(x)

$(3x + 2)*(7x+6)$

Multiply applying the distributive property

$(3x + 2)*(7x+6)=3x*7x+3x*6+2*7x+2*6\\=21x^{2}+18x+14x+12\\=21x^{2}+32x+12$

The domain of the function is the interval------> (-∞,∞)

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3 years ago

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The age of father is a two digit number. If 5 is added to the double of the digit in the tenth place of father's age will be the

yuradex [85]

Answer:

The father is 50 and his son is 15.

Step-by-step explanation:

Double the tens digit of the father's age = 10

Plus 5 = 15 (the age of the son)

50 + 15 = 65 (the sum of their ages)

The reverse of the digits of the son's age is 51.

Subtract 1 = 50 (the age of the father)

7 0

3 years ago

A vegetarian restaurant used 46,170 ounces of spinach last month. This month, with a menu

poizon [28]

Answer:

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1 year ago

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Bogdan [553]

<span>A piecewise function uses different rules for different intervals of the DOMAIN</span>

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

Help me please......... ​

Help me please.........