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Gwar [14]
3 years ago
8

For f(x)=2x+1 and g(x)=x^2-7, find (f+g)(x) A. 2x^2-15 B.X^2+2x-6 C.2x^3-6 D.x^2+2x+8

Mathematics
1 answer:
Advocard [28]3 years ago
5 0

Answer:

C

Step-by-step explanation:

(f + g)(x) = f(x) + g(x) , thus

f(x) + g(x)

= 2x + 1 + x² - 7 ← collect like terms

= x² + 2x - 6 → C

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(20+80 divided by 2x8) divided [(54 divided by 9+14)divided by 4]
lesya692 [45]

Answer:

80

Step-by-step explanation:

Let's write out the equation:

8(20+80/2)/[(54/9+14)/4]

For the first part we get 8(100/2)

Then 50x8

Then 400

For the second part we have (6+14)/4 as we divide 54 by 9. PEMDAS

Then 20/4

Then 5

So our final answer is 400/5 which is 80.

Hope this helps!

7 0
3 years ago
Answer this question please and thank you
WITCHER [35]

39.273 ------> 39

- 8.58 ------> 9

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30.693 -----> 30

4 0
3 years ago
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Rewrite the fraction in the sentence below as a percentage.
klasskru [66]

Answer:

42%

Step-by-step explanation:

To find the percentage of a fraction, you divide the numerator by the denominator and multiply by 100:

\frac{21}{50}=21/50=0.42*100=42percent

4 0
3 years ago
You answer 12 emails in 15 minutes. How many emails can you answer in 2 hours?
Marysya12 [62]

Answer:

96

Step-by-step explanation:

you divide 60 min by 15 to get 4 then u multiply 12 × 4 =48 then multiply 48 × 2=96

8 0
2 years ago
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