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Cerrena [4.2K]
3 years ago
13

Let f(x)= 2x-1, h(x)= -x+5 Find (f of h)(3) PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
4 0

Answer:

3

Step-by-step explanation:

Evaluate h(3) then substitute the value obtained into f(x)

h(3) = - 3 + 5 = 2, hence

f(2) = (2 × 2) - 1 = 4 - 1 = 3



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Is √1/9 greater less than or equal to 1/4​
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Answer:

Greater:

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Step-by-step explanation:

\sqrt{\frac{1}{9} } =\frac{\sqrt{1} }{\sqrt{3} } =\frac{1}{3}

1/3 is greater than 1/4

Hope this helps

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Step-by-step explanation:

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3 years ago
What is the vertex of the absolute value function defined by ƒ(x) = |x + 2| + 4?
Marrrta [24]

Answer:

C. (-2,4)

Step-by-step explanation:

We have been given a function f(x)=|x+2|+4 and we are asked to find the vertex of our absolute value function.

The rules for the translation of a function are as follows:  

f|x-h|=\text{Graph shifted to right by h units}

f|x+h|=\text{ Graph shifted to left by h units}

f|x|+h=\text{ Graph shifted upward by h units}

f|x|-h=\text{ Graph shifted down by h units}

Upon comparing our absolute function with above transformations we can see that our function is shifted to two units right of the origin(0,0) so x coordinate of our absolute function will be -2.

Our function is shifted upward from origin by 4 units, therefore, y-coordinate of our absolute value function will be 4.

f(x)=|x--2|+4

Therefore, the vertex of our absolute value function will be on point (-2,4) and option C is the correct choice.

4 0
3 years ago
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tatyana61 [14]

Answer:

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Step-by-step explanation:

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