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stich3 [128]
4 years ago
12

F(x)=-4x²-6x-1and g(x)=-x²-5x+3 find (f+g)(x)

Mathematics
1 answer:
gtnhenbr [62]4 years ago
5 0

(f + g)(x) =  - 4 {x}^{2} - 6x - 1 -  {x}^{2} - 5x + 3 \\

(f + g)(x) =  - 5 {x}^{2} - 11x + 2 \\

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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Mary Palm's checking account had a starting balance of $785.63. She wrote a check for $57.00 for groceries and a check for $125.
wariber [46]
785.63-(57+125)
=785.63-182
=603.63

603.63+57.25=$660.87
5 0
4 years ago
Solve for f: 6f + 9g = 3g + f
andrezito [222]

Answer:

f= -(6/5)g

Explanation:

We have been given the expression 6f+9g = 3g+f

Solve for f means find the value of f

We will simplify the given expression:

we will collect the values of f at one side  and g on the other side

So, rewriting the given expression  6f+9g =3g+f  as 6f-f=3g-9g

So, after simplification it will lead to  5f= -6g

After further simplification f= -(6/5)g which is the final result


3 0
3 years ago
Read 2 more answers
Use the value of the first integral I to evaluate the two given integrals. I = integral^3_0 (x^3 - 4x)dx = 9/4 A. integral^3_0 (
Troyanec [42]

Answer:

A) -9/2

B) 9/4

C) -9/2, same as A)

Step-by-step explanation:

We are given that I=\int_0^3 x^3-4x dx=9/4. We use the properties of integrals to write the new integrals in terms of I.

A) \int_0^3 8x-2x^3 dx=\int_0^3 -2(x^3-4x) dx=-2\int_0^3 x^3-4x dx=-2I=-9/2. We have used that ∫cf dx=c∫f dx.

B) \int_3^0 4x - x^3 dx=-\int_0^3 (4x-x^3) dx=\int_0^3-(4x-x^3) dx=\int_0^3 x^3-4x dx=I=9/4. Here we used that reversing the limits of integration changes the sign of the integral.

C) It's the same integral in A)

4 0
3 years ago
HELP PLEASE HELP , .
Otrada [13]

Answer:

You need to plot the points at (1.5, 0) and (0,-3)

Step-by-step explanation:

3 0
3 years ago
What is the equation of the line that passes through the point (5, 4) and has a<br> slope of 6/5?
leva [86]

Answer:

y = 6/5x - 2

Step-by-step explanation:

y = mx + b

plug in values

4 = (6/5)(5) + b

simplify

4 = 6 + b

subtract 6 from both sides

-2 = b

y = 6/5x - 2

8 0
3 years ago
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