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3 years ago

Can someone help me with cube roots?

Mathematics

1 answer:

exis [7]3 years ago

4 0

Answer:

If you want help from someone else, I am available as well.

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PLEASE HELP I RLLY DONT KNOW WHAT TO DO

Jlenok [28]

Answer:

a) f(0) = -9

b) f(2) = -5

c) f(-3) = -15

d) f(1/2)=-8

Step-by-step explanation:

We are given the function $f(x)=2x-9$ and we need to find the following:

a) f(0)

For finding f(0) put x =0 in the given function

$f(x)=2x-9\\Put\:x=0\\f(0)=2(0)-9\\f(0)=-9$

So, we get f(0)=-9

b) f(2)

For finding f(2) put x =2 in the given function

$f(x)=2x-9\\Put\:x=2\\f(2)=2(2)-9\\f(2)=4-9\\f(2)=-5$

So, we get f(2)=-5

c) f(-3)

For finding f(-3) put x =-3 in the given function

$f(x)=2x-9\\Put\:x=-3\\f(-3)=2(-3)-9\\f(-3)=-6-9\\f(-3)=-15$

So, we get f(-3)=-15

d) f(1/2)

For finding f(1/2) put x =1/2 in the given function

$f(x)=2x-9\\Put\:x=\frac{1}{2}\\f(\frac{1}{2})=2(\frac{1}{2})-9\\f(\frac{1}{2})=1-9\\f(\frac{1}{2})=-8$

So, we get f(1/2)=-8

5 0

3 years ago

Find missing angle measure M

Nesterboy [21]

Answer:

m<Q = 30 degrees

Step-by-step explanation:

Add 126 and 24 which equals 150

Subtract 180 from 150

You get 30

6 0

3 years ago

What is 6789 rounded to the nearest ten

atroni [7]

6,789 rounded to the nearest ten is 6,790~

3 0

3 years ago

Read 2 more answers

Use the distributive property to write and equivalent expression for 3(m+7)

Veronika [31]

Using distribution it would be 3m+7

3 0

4 years ago

Read 2 more answers

The polynomial equation x^3-4x^2+2x+10=x^2-5x-3 has complex roots 3+-2i What is the other root?

AleksandrR [38]

A cubic equation can only have at most 3 roots. You already have 3 roots. x = 3 ,x = -2i , and x = 2i

5 0

3 years ago