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gizmo_the_mogwai [7]
3 years ago
8

If f(x) = x/2-3 and g(x) = 4x2 + x - 4, find (f+ g)(x).

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer:

(f+g)(x) = 4 x^2 + (3/2) x - 7

Answer (c) on your list

Step-by-step explanation:

f+g (x) = f(x) + g(x) = x/2 - 3 + 4 x^2 + x - 4

combine the terms in "x" = x/2 + x = (3/2)x

combine the numerical terms: - 3 - 4 = - 7

Then the final expression is:

(f+g)(x) = 4 x^2 + (3/2) x - 7

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2 years ago
Please help me understand how to work out these types of equations?
Mademuasel [1]
Answer:
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5 0
2 years ago
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All the dimensions of a pentagon were multiplied by the same factor, and area of the figure changed by a factor if 25. By what f
Oksana_A [137]

Answer:

50

Step-by-step explanation:

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4 0
2 years ago
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For this problem i got

7 0
3 years ago
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Zinaida [17]

Answer:

I just learned this about a few weeks ago I hope this helps.

Step-by-step explanation:

Since it's cosine you're only looking at Adjacent and the hypotenuse which the adj is 20 and the hyp is 25 so since cosine is adj/hyp you do 20/25 then simplify it to 20/25 divide both by 5 so it's simplified to 4/5.

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