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jeyben [28]
3 years ago
9

Let f(x)= 3x2 +5 and g(x) = - 5x + 3. Find the following. (f-g)(-4) (f-9)(-4)=

Mathematics
1 answer:
masha68 [24]3 years ago
5 0
Answer: 3x^2 - 3

Step by step explanation:
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If p(x)=2x^2-4x and q(x)=x-3 what is (p*q)(x)
Tanya [424]

Answer: 2x³-10x²+12x or 2x(x²-5x+6)

Step-by-step explanation:

(p*q)(x) means p(x) and q(x) multiplied together.

(2x²-4x)(x-3)

2x³-6x²-4x²+12x

2x³-10x²+12x

You can also factor this by taking out a 2x.

2x(x²-5x+6)

4 0
3 years ago
I need homework help! Its proportions, but the thing is, I'm terrible at them. All I know is that is/of=x/100.
masha68 [24]
19)  15/a = 3/2 

Start by cross multiplying....

3a = 30 

Divide both sides 3 

a = 10 

21)   2/7 = 4/d 

        2d = 28
       
        d= 14 

23)  8/p = 3/10

       
80 = 3p
         p = 26.66

25)  2 / -5 = 6/t
        2t = -30

      t = -15


7 0
3 years ago
What is the area of the white region? Steps please and thank you!
DIA [1.3K]

Answer:the ANS to 4 significant figures is 51.92

Step-by-step explanation:u first find the area of the whole chord which is 150 divided by 360 multiplied by the π × 7^2 subtracted from the area of The triangle by doing 1/2×7×7sin150. I hope it helps

5 0
3 years ago
Solve for the MNQ angle, please add steps and how to get the answer please and thank you
dusya [7]

Answer:

x =  15

Step-by-step explanation:

3x - 13 + 58 = 90

3x - 13 = 90 - 58

3x -13 = 32

3x = 32 + 13

x = 45/3

x = 15

6 0
3 years ago
Maya thinks there are twice as many players in the league with more than 4 years of experience than there are players with less
iragen [17]
Sorry don’t now the answer to this problem
6 0
3 years ago
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