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3 years ago

10

What's the algebraic expression for word phrase: 3 plus the product of 2 and h

1 answer:

Arlecino [84]3 years ago

3 0

"Three plus the product of 2 and h" is written as (3 + 2h) .

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Ali bought 4 CDs that were each the same price. Including sales tax, he paid a total of 43.60 dollars. Of that total, 2.80 dolla

Serggg [28]

$10.20 for each CD before tax.
Explanation:
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3 years ago

When a new TV became available in a store, the number sold in the first week was high. Sales

tamaranim1 [39]

Answer:

The way you would sketch the graph is slowly increasing, staying about the same, and then go up a little bit.

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8 0

3 years ago

What is the domain and range of f(x) = 1 tan^2 x?

ch4aika [34]

The domain of f(x) = 1 + tan^2 x is all real numbers.
The range of f(x) = 1 + tan^2 x is 1 ≤ f(x) ≤ 2

6 0

4 years ago

The longer leg of a right triangle is 4m longer than the shorter leg. the hypotenuse is 8m longer than the shorter leg. find the

liubo4ka [24]

Let the shorter leg = a.
The longer leg, b = a + 4.
The hypotenuse, c = a + 8

a^2 + b^2 = c^2

a^2 + (a + 4)^2 = (a + 8)^2

a^2 + a^2 + 8a + 16 = a^2 + 16a + 64

a^2 - 8a - 48 = 0

(a - 12)(a + 4) = 0

a - 12 = 0 or a + 4 = 0

a = 12 or a = -4

a = -4 is discarded because it is negative.

a = 12
b = 16
c = 20

The lengths are 12 m, 16 m, and 20 m.

8 0

3 years ago

Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?

vitfil [10]

<u> Solution-</u>

The given function is,

$f(x) = x^4+ x^3-x^2-x$

$= x^3(x+1)- x(x+1)$

$= (x+1)(x^3-x)$

$= (x+1)x(x^2-1)$

$= (x+1)x(x+1)(x-1)$

$= {(x+1)}^2x(x-1)$

Therefore, at x=0, -1, 1 , f(x) will be 0 . Hence, 0, -1 ,1 are the x-intercepts.

Plotting the graph on desmos, the graph will be as in the attachment.

7 0

4 years ago

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