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____ [38]
3 years ago
8

Perform indicated operations for function: f(x)=x^2+1 use in f(x+h)-f(x)/h

Mathematics
1 answer:
8090 [49]3 years ago
5 0

For f(x+h) - \dfrac{f(x)}{h} reading the fraction like f(x)/h only (f(x+h) start fraction f(x) / h end fraction), the answer is -x^2/y + x^2 + 2x + y + y^2 - 1/y + 1

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What is the directrix of the parabola defined by 1/4(y+3)=(x-2)^2
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This is a parabola which opens upwards and the directrix will be of the form  
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the general form is 

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so the vertex is at (2, -3)

4p = 1/4  so p =  1/16

so the focus will be at (2 , -2 15/16)

and directrix is  y = -3 1/16
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3 years ago
How do you calculate time by speed and distance?
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Step-by-step explanation:

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