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Leya [2.2K]
4 years ago
8

Are the following polynomials?: -x^2+5x 6x^2+5x -7x^2+5/3x

Mathematics
1 answer:
padilas [110]4 years ago
7 0
I think the first two are binomials and the last one is a trinomial..
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Mark deposits $12,000 into an account that pays 4% interest, compounded annually, for 5 years. Saul deposits $10,000 into an acc
Bad White [126]
The answer is C) Saul’s account earned $3,338 more interest than Mark’s account
5 0
3 years ago
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F(x)=2x^2+3x : evaluate the function, find f(-2)
egoroff_w [7]

Answer:

F(0) = 2

F(-1) = 7

F(2) = 4

Explanation:

Notice where the x's are in the function F(x)

For F(0) you sub in 0 wherever there is an x, ie:

F(0) = 2(0)2−3(0)+2 = 2

The same is applied for F(-1) and F(2)

HOPE THIS HELPS!! PLZ GIVE 5 STAR,  THANKS, AND BRAINLIST THXXX

5 0
3 years ago
Help me solve them plsss...both of the questions :)
zaharov [31]

\bold{\text{Answer:}\quad \dfrac{\sqrt2}{144}}

<u>Step-by-step explanation:</u>

When you plug in 3 directly to the equation, you get 0/0

Since it is indeterminate, you have to use L'Hopital's Rule.

That means that you find the limit of the DERIVATIVE of the numerator and the DERIVATIVE of the denominator.

\dfrac{d}{dx}(\sqrt{5+\sqrt{2x+3}}-2\sqrt2)\quad = \dfrac{1}{2\sqrt{5+\sqrt{2x+3}}(\sqrt{2x+3})}\\\\\\f'(3)\ \text{for the numerator}\ =\dfrac{1}{12\sqrt2}\\\\\\\\\dfrac{d}{dx}(x^2-9) = 2x\\\\\\f'(3) \text{for the denominator}\quad = 6\\\\\\\dfrac{f'(3)\ \text{numerator}}{f'(3)\ \text{denominator}}\quad = \dfrac{\dfrac{1}{12\sqrt2}}{6}\quad = \dfrac{1}{72\sqrt2}\quad \rightarrow \large\boxed{\dfrac{\sqrt2}{144}}

4 0
3 years ago
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Find the first four terms of the given sequence tn = (-1)n(n).
Leno4ka [110]
First we rewrite the expression correctly:
 tn = ((-1) ^ n) * (n)
 We now look for each of the terms:
 t1 = ((-1) ^ 1) * (1) = - 1
 t2 = ((-1) ^ 2) * (2) = 2
 t3 = ((-1) ^ 3) * (3) = - 3
 t4 = ((-1) ^ 4) * (4) = 4
 The first four terms of the sequence are then:
 -1, 2, -3, 4
 Answer:
 
B.
 
-1, 2, -3, 4
3 0
4 years ago
Monica's meal came to $17.00. A 7% sales tax is applied. How much does she pay for tax?
Vladimir [108]

Answer:

$1.19

Step-by-step explanation:

5 0
3 years ago
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