Which is the graph of the function f(x) =x^3 - 3x^2 -4x

Mathematics

1 answer:

eimsori [14]3 years ago

7 0

TIP:

If you need to find the graph for an equation, simply plug the equation into desmos graphing calculator! :)

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Henry has 20 Lawns mowed out of a total of 50 lawns. What percentage of the lawns does Henry have to still mow?

elena55 [62]

Henry has completed 40% of his work, leaving him with a remaining 60%.

What you do is divide 20 by 50 and your answer is .4, move the decimal two places to the right to get your percent, 40. Then subtract it out of 100 and you get the remaining 60%, which essentially is your answer.

5 0

2 years ago

Find a_1 and d for an arithmetic sequence with these terms. a_4=9and a_7=18

jonny [76]

$\bf \begin{array}{llll}
term&value\\
-----&-----\\
a_4&9\\
a_5&9+d\\
a_6&(9+d)+d\\
&9+2d\\
a_7&(9+2d)+d\\
&9+3d=\underline{18}
\end{array}\\\\
-------------------------------\\\\
9+3d=18\implies 3d=9\implies d=\cfrac{9}{3}\implies \boxed{d=3}$

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=7\\
d=3
\end{cases}
\\\\\\
a_7=a_1+(7-1)d\implies 18=a_1+(7-1)3\implies 18=a_1+18
\\\\\\
18-18=a_1\implies \boxed{0=a_1}$

3 0

3 years ago

1. The spinner shown has six congruent sections.

kondaur [170]

Answer:

Step-by-step explanation:

The probability of obtaining a 3 is

P(3) = $\frac{1}{6}$

Then after 30 spins the predicted number of times it should land on 3 is

30 × $\frac{1}{6}$ = 5

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2 years ago

I need help please !!

AfilCa [17]

Answer:

y = 2x + 14

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ;)

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3 years ago

What is the remainder of (3x^4+2x^3-x^2+2x-14)/ (x+2)

Allisa [31]

Hi,

I assume the forward slash meant it as a fraction VS it being a division symbol. To answer your question, the remainder is 10.

Hope this helps.

4 0

3 years ago