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Vlada [557]
2 years ago
12

F(x) = -2 and g(x) = 2x² + x-3, find (f +g)(x) .

Mathematics
1 answer:
tekilochka [14]2 years ago
8 0

Answer:

2x^2 + x - 5

Step-by-step explanation:

(f+g)(x)=f(x)+g(x)=-2+2x^2 + x-3=<u>2x</u><u>^</u><u>2</u><u> </u><u>+</u><u> </u><u>x</u><u> </u><u>-</u><u> </u><u>5</u>

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Help me plz I beg you
scZoUnD [109]
The answer would be C. We know that d is equal to the initial depth of a lake. The two given initial depths are 58 feet and 53 feet, so we know that one of the equations must be either d=58 or d=53. Because there only C has either one of those, d=58, we know that it must be the answer.

To find the other equation, it is just a linear function for the other lake. The y-intercept, or initial value, is 53, so in the equation y=mx+b, it is the b value. The slope, or m value, is 3 feet, so you have y=d=3x+53.


4 0
3 years ago
In ΔRST, r = 40 cm, s = 88 cm and t=70 cm. Find the measure of ∠S to the nearest degree.
sdas [7]

Answer:

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Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
which shows the students in order from greatest test score to lease test score Alex 0.95 Octavia 16/20 Tonya 9/10 Wilson 0.87 ​
Nonamiya [84]

Answer:

Alex (0.95), Tonya (0.90), Wilson (0.87), Octavia (0.80)

Step-by-step explanation:

To solve this, we have to convert all of the scores into either a decimal or a fraction. In this case, I will be solving all of them into decimals since it is easier.

Alex: 0.95

Octavia: 16/20 = 0.80

Tonya: 9/10 = 0.90

Wilson: 0.87

Therefore, we can order these from greatest score to least score.

Alex (0.95), Tonya (0.90), Wilson (0.87), Octavia (0.80)

4 0
2 years ago
4x-14=2x please solve need help
notsponge [240]

Answer:

7

Step-by-step explanation:

1. Subtract the 4x on both sides = -14 = -2x

2. Divide -2 on both sides to get -14/-2 = x

3. -14/-2 = 7 so 7 = x

7 0
2 years ago
What are all the solutions? <br> 4x^2+9y^2=72<br> x^2+y^2=5
Ilya [14]
There is no solution.
If you graph both equations they never touch.

4 0
3 years ago
Read 2 more answers
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