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tankabanditka [31]
3 years ago
15

Is 3 to the -2 power + 4x a polynomial

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

Nope.

Step-by-step explanation:

A monomial cannot have a negative exponent.

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HELP ASAP<br> f(x)=x² what is g(x)?
murzikaleks [220]

Just by comparing the plots of f(x) and g(x), it's clear that g(x) is just some positive scalar multiple of f(x), so that for some constant k, we have

g(x) = k • f(x) = kx² = (√k x)²

The plot of the transformed function g(x) = (√k x)² passes through the point (1, 4), which means

g(1) = (√k • 1)² = 4

and it follows that k = 4. So g(x) = 4x² = (2x)² and B is the correct choice.

4 0
2 years ago
Amy received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.24 per pound. After buying the c
SVEN [57.7K]

Answer:

5 pounds

Step-by-step explanation:

Given that:

Amount of gift card = $80

Cost of coffee per pound = $8.24

Amount left in the card = $38.80

To find:

Number of pounds of coffee bought = ?

Solution:

Let the number of pounds of the coffee bought = x pounds

Cost of 1 pound = $8.24

Cost of x pounds = $8.24 \times x

Writing the equation as per question statement:

80 - 8.24x = 38.80\\\Rightarrow 80 - 38.80 = 8.24x\\\Rightarrow  8.24x = 41.2\\\Rightarrow x = \dfrac{41.2}{8.24}\\\Rightarrow \bold{x = 5\ pounds}

Therefore, 5 pounds of coffee was bought.

3 0
3 years ago
How many triangles are there in a 7 sided shape
IceJOKER [234]

Answer:

There are five triangles in a heptagon. A heptagon is a seven-sided polygon.

Step-by-step explanation:

6 0
2 years ago
John is buying fencing for his yard. He pays $122 for 5 fence boards and 4 fence panels. He pays $570 for 21 fence boards and 20
Anni [7]
It is 24 dollars and 40 cents $24.40 because you just divide 122 by 5 and you get 24.4 and then you multiply 24.40 times 3 and you will get $73.20 
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2 years ago
The graph is a two-dimensional representation of the
Mila [183]

Answer: D. 12 ft

Step-by-step explanation:

8 0
2 years ago
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