2 years ago

Dro Kita

Mathematics

1 answer:

Triss [41]2 years ago

4 0

How is this problem laid out

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What is the distance of a car traveling with a velocity of 20 m/s north in 5 seconds

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2 years ago

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Given the function: f(x) = 2x3 - 3/2x, find f(-4).

Sergeu [11.5K]

Answer:

D) -122

Step-by-step explanation:

Given:

$f(x) = 2x^3-\frac{3}2x$

We need to find f(-4).

Now by substituting the value of x =-4 in above equation we get;

$f(-4)= 2\times(-4)^3-\frac{3}{2}\times(-4)\\$

By using PEDMAS we will solve for exponential function first we get;

Now we know that $(-4)^3=-64$

So we get;

$f(-4)= 2\times(-64)-\frac{3}{2}\times(-4)\\$

Now using PEDMAS we will solve division.

$f(-4)= 2\times(-64)-1.5\times(-4)$

Now using PEDMAS we solve multiplication.

$f(-4)= -128+6$

Finally by subtraction we get;

$f(-4)= -122$

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3 years ago

Simplify: 27k^5m^8/(4k^3)(9m^2)

Yakvenalex [24]

The answer to your question is 3k^2m^6/4

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