3 years ago

I need to know if a is right and answers to b and c

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

3 0

Answer:

Your answer is A. my Good sir

Your welcome, 63rrrrddd

Step-by-step explanation:

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Given f(x)=x^2+5 and g(x)=2x^3-1 find (f/g)(-3)

AlekseyPX

For this case we have the following functions:

$f (x) = x ^ 2 + 5\\g (x) = 2x ^ 3-1$

By definition of composition of functions we have:

$(f / g) (x) = \frac {f (x)} {g (x)}$

Then substituting:

$f (-3) = (- 3) ^ 2 + 5 = 9 + 5 = 14\\g (-3) = 2 (-3) ^ 3-1 = 2 (-27) -1 = -54-1 = -55$

So:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

Answer:

$(f / g) (- 3) = \frac {14} {- 55} = - 0.25$

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3 years ago

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Solution:
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Answer:

Step-by-step explanation:

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