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Eddi Din [679]
3 years ago
14

If f(x) = 2x^2+ 1 and g(x)= x^2-7, find (f-g)(x)

Mathematics
1 answer:
Ganezh [65]3 years ago
4 0

Answer:

2x squared +1 (-)x squared -7 is

a.) x squared +8

Step-by-step explanation:

:)

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What is the factorization of the polynomial below? 2x2 + 28x + 98 A. (x + 7)(x + 2) B. (x + 7)(x + 14) C. (2x + 7)(x + 7) D. 2(x
scoray [572]
2x^2 + 28x + 98 =
2(x^2 + 14x + 49) =
2(x + 7)(x + 7) <==
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3 years ago
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mrs cindy had2/3 of a cake .she divided the cake equally among her 3 children. what fraction of the cake did each children get?
satela [25.4K]
Each kid would get 2/9 of the cake
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Taylor used 2 cans of blue paint and 5 cans of yellow paint to decorate a wall. Each can contains 200 millilitres of paint.
rewona [7]

Answer:

C.

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7 0
3 years ago
Solve the equation. x2 18x 81 = 25<br> a. 14, 4<br> b. –4, –14<br> c. 14, –14<br> d. –4, 4
Snowcat [4.5K]

Answer:

The answer is the option B

-4,-14

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}+18x+81=25  

x^{2}+18x+56=0  

so

a=1\\b=18\\c=56

substitute in the formula

x=\frac{-18(+/-)\sqrt{18^{2}-4(1)(56)}} {2(1)}

x=\frac{-18(+/-)\sqrt{100}} {2}

x=\frac{-18(+/-)10} {2}

x1=\frac{-18+10} {2}=-4

x2=\frac{-18-10} {2}=-14

7 0
3 years ago
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PLEASE HELP ASAP. I NEED TO KNOW NOW
Vitek1552 [10]

Answer:

the answer is x1 = -4- square root of 23 x2= -4+ square root of 23

8 0
3 years ago
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