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4 years ago

Let f(x)=3x2 +4 and let g (x)= x+2 find (f+g) (x).

Mathematics

2 answers:

Lelechka [254]4 years ago

5 0

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BlackZzzverrR [31]4 years ago

5 0

(f + g)(x) equals to f(x) + g(x)

add the function
f(x) + g(x) = 3x² + 4 + x + 2
f(x) + g(x) = 3x² + x + 6

The answer is 3x² + x + 6

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The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the function

svp [43]

Answer:

$r=22.07\ in$

Step-by-step explanation:

<em><u>The correct function is</u></em>

$m(r)=7.188\pi r^{2}$

we have

System of equations

$m=7.188\pi r^{2}$ -----> equation A

$m=11,000$ -----> equation B

Solve by substitution method

substitute equation B in equation A

$11,000=7.188\pi r^{2}$

Solve for r

Divide by 7.188π both sides

$r^{2}=\frac{11,000}{7.188\pi}$

square root both sides

$r=22.07\ in$

5 0

3 years ago

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How does y vary with x

Ugo [173]

Answer: y varies directly as x ", " y varies proportionally as x ", or " y is directly proportional to x . ") This means that as x increases, y increases and as x decreases, y decreases—and that the ratio between them always stays the same.

Step-by-step explanation:

4 0

3 years ago

Demonstrate how repeated subtraction can be used to show that 22 dividend by 7 = 3 r 1

Rudik [331]

22-7-7-7=1 this will show that you can subtract 7 three times from 22 and have a remainder of 1.

6 0

4 years ago

Y=-x+1 y=2/3x-4 please answer this!!!!

yawa3891 [41]

Answer:

(x, y) = (-15, -14)

Step-by-step explanation:

y = x+1

y = 2/3x - 4

Next, we will substitute the value of y (first equation) into the second equation.

x+1 = 2/3x - 4

1/3x + 1 = -4

1/3x = -5

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So, y = -14

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3 years ago

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dalvyx [7]

Answer:

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Step-by-step explanation:

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3 years ago

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