2 years ago

Which expression is a possible leading term for the polynomial function graphed below?

1 answer:

8 0

From the graph, it looks like the polynomial is a one with a leading term that has an odd power, so this rolls out option 1 and 3.

Like wise, option 2 is not the answer because it has a negative symbol.

This leaves us with option 4, 22x^9 as the right answer.

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Write 9 decimals with three decimal places that when rounded to the nearest tenth round to 1.3

zmey [24]

1.291
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3 years ago

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A display case of glitter stickers are marked 15 for $2. If Cathy wants to buy 30 glitter stickers, how much will Cathy spend?

WARRIOR [948]

Answer:

$4, 15 x 2=30

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3 years ago

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A 32 year old mother realized that her age is twice the sum of her two children ages. Her son Jose is two years older than her d

jenyasd209 [6]

Again, guess and test should work perfectly fine. Since 2(x+y)=32, x+y = 16. Because y-2 =x, y could be = 9 and x = 7. Hope that help!

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3 years ago

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1.Arsenic-74 is used to locate brain tumors. It has a half-life of 17.5 days. 90 mg wereused in a procedure. Write an equation t

Sophie [7]

$1)\text{ }N_t\text{ = 90\lparen}\frac{1}{2})^{\frac{t}{17.5}}$

2) 5.625 mg will be left

Explanation:

1) Half-life = 17.5 days

initial amount of Arsenic-74 = 90 mg

To get the equation, we will use the equation of half-life:

$\begin{gathered} N_t\text{ = N}_0(\frac{1}{2})^{\frac{t}{t_{\frac{1}{2}}}} \\ where\text{ N}_t\text{ = amount remaining} \\ N_0\text{ = initial amount} \\ t_{\frac{1}{2}\text{ }}\text{ = half-life} \end{gathered}$ $N_t\text{ = 90\lparen}\frac{1}{2})^{\frac{t}{17.5}}$

2) we need to find the remaining amount of Arsenic-74 after 70 days

t = 70

$\begin{gathered} N_t=\text{ 90\lparen}\frac{1}{2})^{\frac{70}{17.5}} \\ N_t\text{ = 5.625 mg} \end{gathered}$

So after 70 days, 5.625 mg will be left

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1 year ago

The glacier moves 5 centimeters in 8 days. How many days does it take the glacier to move 1 centimeter?

marshall27 [118]

1.6 days because 8/5 = 1.6

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4 years ago